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Finding the Fourth Proportional to 482,862.10, 724,293.15 and 358,446.10

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Solution

The fourth proportional to 482,862.10, 724,293.15 and 358,446.10 is: 537,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,862.10 : 724,293.15 = 358,446.10 : x
  2. Step 2: Convert to fraction form
    482,862.10/724,293.15 = 358,446.10/x
  3. Step 3: Cross multiply
    482,862.10x = 724,293.15 × 358,446.10
  4. Step 4: Simplify right side
    482,862.10x = 259,620,054,874.22
  5. Step 5: Solve for x
    x = 259,620,054,874.22/482,862.10
  6. Step 6: Final answer
    x = 537,669.15

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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.