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Finding the Fourth Proportional to 475,591.84, 656,337.44 and 284,568.64

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Solution

The fourth proportional to 475,591.84, 656,337.44 and 284,568.64 is: 392,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,591.84 : 656,337.44 = 284,568.64 : x
  2. Step 2: Convert to fraction form
    475,591.84/656,337.44 = 284,568.64/x
  3. Step 3: Cross multiply
    475,591.84x = 656,337.44 × 284,568.64
  4. Step 4: Simplify right side
    475,591.84x = 186,773,052,681.88
  5. Step 5: Solve for x
    x = 186,773,052,681.88/475,591.84
  6. Step 6: Final answer
    x = 392,717.11

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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.