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Finding the Fourth Proportional to 572,169.20, 858,253.80 and 332,692.70

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Solution

The fourth proportional to 572,169.20, 858,253.80 and 332,692.70 is: 499,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,169.20 : 858,253.80 = 332,692.70 : x
  2. Step 2: Convert to fraction form
    572,169.20/858,253.80 = 332,692.70/x
  3. Step 3: Cross multiply
    572,169.20x = 858,253.80 × 332,692.70
  4. Step 4: Simplify right side
    572,169.20x = 285,534,774,007.26
  5. Step 5: Solve for x
    x = 285,534,774,007.26/572,169.20
  6. Step 6: Final answer
    x = 499,039.05

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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.