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Finding the Fourth Proportional to 452,282.88, 678,442.77 and 115,332.27

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Solution

The fourth proportional to 452,282.88, 678,442.77 and 115,332.27 is: 173,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,282.88 : 678,442.77 = 115,332.27 : x
  2. Step 2: Convert to fraction form
    452,282.88/678,442.77 = 115,332.27/x
  3. Step 3: Cross multiply
    452,282.88x = 678,442.77 × 115,332.27
  4. Step 4: Simplify right side
    452,282.88x = 78,246,344,729.19
  5. Step 5: Solve for x
    x = 78,246,344,729.19/452,282.88
  6. Step 6: Final answer
    x = 173,003.11

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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.