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Finding the Fourth Proportional to 482,875.36, 724,138.12 and 216,498.76

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Solution

The fourth proportional to 482,875.36, 724,138.12 and 216,498.76 is: 324,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,875.36 : 724,138.12 = 216,498.76 : x
  2. Step 2: Convert to fraction form
    482,875.36/724,138.12 = 216,498.76/x
  3. Step 3: Cross multiply
    482,875.36x = 724,138.12 × 216,498.76
  4. Step 4: Simplify right side
    482,875.36x = 156,775,005,048.73
  5. Step 5: Solve for x
    x = 156,775,005,048.73/482,875.36
  6. Step 6: Final answer
    x = 324,669.71

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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.