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Finding the Fourth Proportional to 308,151.46, 425,251.83 and 180,829.18

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Solution

The fourth proportional to 308,151.46, 425,251.83 and 180,829.18 is: 249,545.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,151.46 : 425,251.83 = 180,829.18 : x
  2. Step 2: Convert to fraction form
    308,151.46/425,251.83 = 180,829.18/x
  3. Step 3: Cross multiply
    308,151.46x = 425,251.83 × 180,829.18
  4. Step 4: Simplify right side
    308,151.46x = 76,897,939,712.40
  5. Step 5: Solve for x
    x = 76,897,939,712.40/308,151.46
  6. Step 6: Final answer
    x = 249,545.92

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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.