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Finding the Fourth Proportional to 360,354.73, 497,286.75 and 207,422.95

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Solution

The fourth proportional to 360,354.73, 497,286.75 and 207,422.95 is: 286,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,354.73 : 497,286.75 = 207,422.95 : x
  2. Step 2: Convert to fraction form
    360,354.73/497,286.75 = 207,422.95/x
  3. Step 3: Cross multiply
    360,354.73x = 497,286.75 × 207,422.95
  4. Step 4: Simplify right side
    360,354.73x = 103,148,684,680.91
  5. Step 5: Solve for x
    x = 103,148,684,680.91/360,354.73
  6. Step 6: Final answer
    x = 286,242.07

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