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Finding the Fourth Proportional to 625,250.08, 862,792.56 and 353,341.60

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Solution

The fourth proportional to 625,250.08, 862,792.56 and 353,341.60 is: 487,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,250.08 : 862,792.56 = 353,341.60 : x
  2. Step 2: Convert to fraction form
    625,250.08/862,792.56 = 353,341.60/x
  3. Step 3: Cross multiply
    625,250.08x = 862,792.56 × 353,341.60
  4. Step 4: Simplify right side
    625,250.08x = 304,860,503,618.50
  5. Step 5: Solve for x
    x = 304,860,503,618.50/625,250.08
  6. Step 6: Final answer
    x = 487,581.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.