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Finding the Fourth Proportional to 523,314.62, 784,473.71 and 168,079.61

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Solution

The fourth proportional to 523,314.62, 784,473.71 and 168,079.61 is: 251,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,314.62 : 784,473.71 = 168,079.61 : x
  2. Step 2: Convert to fraction form
    523,314.62/784,473.71 = 168,079.61/x
  3. Step 3: Cross multiply
    523,314.62x = 784,473.71 × 168,079.61
  4. Step 4: Simplify right side
    523,314.62x = 131,854,032,885.62
  5. Step 5: Solve for x
    x = 131,854,032,885.62/523,314.62
  6. Step 6: Final answer
    x = 251,959.39

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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.