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Finding the Fourth Proportional to 584,404.56, 876,640.19 and 163,713.24

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Solution

The fourth proportional to 584,404.56, 876,640.19 and 163,713.24 is: 245,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,404.56 : 876,640.19 = 163,713.24 : x
  2. Step 2: Convert to fraction form
    584,404.56/876,640.19 = 163,713.24/x
  3. Step 3: Cross multiply
    584,404.56x = 876,640.19 × 163,713.24
  4. Step 4: Simplify right side
    584,404.56x = 143,517,605,000.55
  5. Step 5: Solve for x
    x = 143,517,605,000.55/584,404.56
  6. Step 6: Final answer
    x = 245,579.20

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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.