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Finding the Fourth Proportional to 466,839.60, 699,136.80 and 266,552.92

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Solution

The fourth proportional to 466,839.60, 699,136.80 and 266,552.92 is: 399,188.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,839.60 : 699,136.80 = 266,552.92 : x
  2. Step 2: Convert to fraction form
    466,839.60/699,136.80 = 266,552.92/x
  3. Step 3: Cross multiply
    466,839.60x = 699,136.80 × 266,552.92
  4. Step 4: Simplify right side
    466,839.60x = 186,356,955,519.46
  5. Step 5: Solve for x
    x = 186,356,955,519.46/466,839.60
  6. Step 6: Final answer
    x = 399,188.41

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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.