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Finding the Fourth Proportional to 756,753.60, 1,044,327.06 and 417,234

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Solution

The fourth proportional to 756,753.60, 1,044,327.06 and 417,234 is: 575,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,753.60 : 1,044,327.06 = 417,234 : x
  2. Step 2: Convert to fraction form
    756,753.60/1,044,327.06 = 417,234/x
  3. Step 3: Cross multiply
    756,753.60x = 1,044,327.06 × 417,234
  4. Step 4: Simplify right side
    756,753.60x = 435,728,756,552.04
  5. Step 5: Solve for x
    x = 435,728,756,552.04/756,753.60
  6. Step 6: Final answer
    x = 575,786.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.