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Finding the Fourth Proportional to 627,141.14, 865,440.24 and 365,479.76

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Solution

The fourth proportional to 627,141.14, 865,440.24 and 365,479.76 is: 504,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,141.14 : 865,440.24 = 365,479.76 : x
  2. Step 2: Convert to fraction form
    627,141.14/865,440.24 = 365,479.76/x
  3. Step 3: Cross multiply
    627,141.14x = 865,440.24 × 365,479.76
  4. Step 4: Simplify right side
    627,141.14x = 316,300,886,882.34
  5. Step 5: Solve for x
    x = 316,300,886,882.34/627,141.14
  6. Step 6: Final answer
    x = 504,353.60

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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.