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Finding the Fourth Proportional to 532,042.11, 797,915.52 and 147,702.69

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Solution

The fourth proportional to 532,042.11, 797,915.52 and 147,702.69 is: 221,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,042.11 : 797,915.52 = 147,702.69 : x
  2. Step 2: Convert to fraction form
    532,042.11/797,915.52 = 147,702.69/x
  3. Step 3: Cross multiply
    532,042.11x = 797,915.52 × 147,702.69
  4. Step 4: Simplify right side
    532,042.11x = 117,854,268,696.75
  5. Step 5: Solve for x
    x = 117,854,268,696.75/532,042.11
  6. Step 6: Final answer
    x = 221,513.05

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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.