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Finding the Fourth Proportional to 615,960.32, 922,652.17 and 495,366.06

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Solution

The fourth proportional to 615,960.32, 922,652.17 and 495,366.06 is: 742,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,960.32 : 922,652.17 = 495,366.06 : x
  2. Step 2: Convert to fraction form
    615,960.32/922,652.17 = 495,366.06/x
  3. Step 3: Cross multiply
    615,960.32x = 922,652.17 × 495,366.06
  4. Step 4: Simplify right side
    615,960.32x = 457,050,572,424.88
  5. Step 5: Solve for x
    x = 457,050,572,424.88/615,960.32
  6. Step 6: Final answer
    x = 742,013.02

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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.