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Finding the Fourth Proportional to 636,892.34, 955,338.57 and 163,578.15

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Solution

The fourth proportional to 636,892.34, 955,338.57 and 163,578.15 is: 245,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,892.34 : 955,338.57 = 163,578.15 : x
  2. Step 2: Convert to fraction form
    636,892.34/955,338.57 = 163,578.15/x
  3. Step 3: Cross multiply
    636,892.34x = 955,338.57 × 163,578.15
  4. Step 4: Simplify right side
    636,892.34x = 156,272,515,904.25
  5. Step 5: Solve for x
    x = 156,272,515,904.25/636,892.34
  6. Step 6: Final answer
    x = 245,367.24

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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.