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Finding the Fourth Proportional to 482,769.60, 724,154.40 and 402,590.40

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Solution

The fourth proportional to 482,769.60, 724,154.40 and 402,590.40 is: 603,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,769.60 : 724,154.40 = 402,590.40 : x
  2. Step 2: Convert to fraction form
    482,769.60/724,154.40 = 402,590.40/x
  3. Step 3: Cross multiply
    482,769.60x = 724,154.40 × 402,590.40
  4. Step 4: Simplify right side
    482,769.60x = 291,537,609,557.76
  5. Step 5: Solve for x
    x = 291,537,609,557.76/482,769.60
  6. Step 6: Final answer
    x = 603,885.60

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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.