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Finding the Fourth Proportional to 360,970.73, 498,151.31 and 207,997.17

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Solution

The fourth proportional to 360,970.73, 498,151.31 and 207,997.17 is: 287,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,970.73 : 498,151.31 = 207,997.17 : x
  2. Step 2: Convert to fraction form
    360,970.73/498,151.31 = 207,997.17/x
  3. Step 3: Cross multiply
    360,970.73x = 498,151.31 × 207,997.17
  4. Step 4: Simplify right side
    360,970.73x = 103,614,061,671.81
  5. Step 5: Solve for x
    x = 103,614,061,671.81/360,970.73
  6. Step 6: Final answer
    x = 287,042.84

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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.