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Finding the Fourth Proportional to 484,337.98, 726,534.27 and 147,389.59

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Solution

The fourth proportional to 484,337.98, 726,534.27 and 147,389.59 is: 221,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,337.98 : 726,534.27 = 147,389.59 : x
  2. Step 2: Convert to fraction form
    484,337.98/726,534.27 = 147,389.59/x
  3. Step 3: Cross multiply
    484,337.98x = 726,534.27 × 147,389.59
  4. Step 4: Simplify right side
    484,337.98x = 107,083,588,176.25
  5. Step 5: Solve for x
    x = 107,083,588,176.25/484,337.98
  6. Step 6: Final answer
    x = 221,092.69

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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.