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Finding the Fourth Proportional to 572,502.60, 858,753.90 and 336,112.20

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Solution

The fourth proportional to 572,502.60, 858,753.90 and 336,112.20 is: 504,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,502.60 : 858,753.90 = 336,112.20 : x
  2. Step 2: Convert to fraction form
    572,502.60/858,753.90 = 336,112.20/x
  3. Step 3: Cross multiply
    572,502.60x = 858,753.90 × 336,112.20
  4. Step 4: Simplify right side
    572,502.60x = 288,637,662,587.58
  5. Step 5: Solve for x
    x = 288,637,662,587.58/572,502.60
  6. Step 6: Final answer
    x = 504,168.30

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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.