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Finding the Fourth Proportional to 615,955.97, 923,773.57 and 260,787.17

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Solution

The fourth proportional to 615,955.97, 923,773.57 and 260,787.17 is: 391,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,955.97 : 923,773.57 = 260,787.17 : x
  2. Step 2: Convert to fraction form
    615,955.97/923,773.57 = 260,787.17/x
  3. Step 3: Cross multiply
    615,955.97x = 923,773.57 × 260,787.17
  4. Step 4: Simplify right side
    615,955.97x = 240,908,295,041.10
  5. Step 5: Solve for x
    x = 240,908,295,041.10/615,955.97
  6. Step 6: Final answer
    x = 391,112.85

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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.