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Finding the Fourth Proportional to 513,073.44, 769,607.28 and 176,349.60

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Solution

The fourth proportional to 513,073.44, 769,607.28 and 176,349.60 is: 264,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,073.44 : 769,607.28 = 176,349.60 : x
  2. Step 2: Convert to fraction form
    513,073.44/769,607.28 = 176,349.60/x
  3. Step 3: Cross multiply
    513,073.44x = 769,607.28 × 176,349.60
  4. Step 4: Simplify right side
    513,073.44x = 135,719,935,985.09
  5. Step 5: Solve for x
    x = 135,719,935,985.09/513,073.44
  6. Step 6: Final answer
    x = 264,523.41

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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.