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Finding the Fourth Proportional to 572,502.30, 858,753.45 and 336,306.30

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Solution

The fourth proportional to 572,502.30, 858,753.45 and 336,306.30 is: 504,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,502.30 : 858,753.45 = 336,306.30 : x
  2. Step 2: Convert to fraction form
    572,502.30/858,753.45 = 336,306.30/x
  3. Step 3: Cross multiply
    572,502.30x = 858,753.45 × 336,306.30
  4. Step 4: Simplify right side
    572,502.30x = 288,804,195,381.74
  5. Step 5: Solve for x
    x = 288,804,195,381.74/572,502.30
  6. Step 6: Final answer
    x = 504,459.45

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Half scale
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Double scale
Find fourth proportional to 572,503.30, 858,754.95 and 336,307.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.