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Finding the Fourth Proportional to 484,353.46, 726,136.53 and 169,031.80

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Solution

The fourth proportional to 484,353.46, 726,136.53 and 169,031.80 is: 253,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,353.46 : 726,136.53 = 169,031.80 : x
  2. Step 2: Convert to fraction form
    484,353.46/726,136.53 = 169,031.80/x
  3. Step 3: Cross multiply
    484,353.46x = 726,136.53 × 169,031.80
  4. Step 4: Simplify right side
    484,353.46x = 122,740,164,711.65
  5. Step 5: Solve for x
    x = 122,740,164,711.65/484,353.46
  6. Step 6: Final answer
    x = 253,410.32

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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.