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Finding the Fourth Proportional to 323,044.74, 484,591.70 and 98,424.34

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Solution

The fourth proportional to 323,044.74, 484,591.70 and 98,424.34 is: 147,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,044.74 : 484,591.70 = 98,424.34 : x
  2. Step 2: Convert to fraction form
    323,044.74/484,591.70 = 98,424.34/x
  3. Step 3: Cross multiply
    323,044.74x = 484,591.70 × 98,424.34
  4. Step 4: Simplify right side
    323,044.74x = 47,695,617,276.56
  5. Step 5: Solve for x
    x = 47,695,617,276.56/323,044.74
  6. Step 6: Final answer
    x = 147,644.00

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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.