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Finding the Fourth Proportional to 572,529.30, 858,793.95 and 332,396.70

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Solution

The fourth proportional to 572,529.30, 858,793.95 and 332,396.70 is: 498,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,529.30 : 858,793.95 = 332,396.70 : x
  2. Step 2: Convert to fraction form
    572,529.30/858,793.95 = 332,396.70/x
  3. Step 3: Cross multiply
    572,529.30x = 858,793.95 × 332,396.70
  4. Step 4: Simplify right side
    572,529.30x = 285,460,274,959.97
  5. Step 5: Solve for x
    x = 285,460,274,959.97/572,529.30
  6. Step 6: Final answer
    x = 498,595.05

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Double scale
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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.