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Finding the Fourth Proportional to 572,494.80, 858,742.20 and 332,362.20

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Solution

The fourth proportional to 572,494.80, 858,742.20 and 332,362.20 is: 498,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,494.80 : 858,742.20 = 332,362.20 : x
  2. Step 2: Convert to fraction form
    572,494.80/858,742.20 = 332,362.20/x
  3. Step 3: Cross multiply
    572,494.80x = 858,742.20 × 332,362.20
  4. Step 4: Simplify right side
    572,494.80x = 285,413,446,824.84
  5. Step 5: Solve for x
    x = 285,413,446,824.84/572,494.80
  6. Step 6: Final answer
    x = 498,543.30

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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.