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Finding the Fourth Proportional to 527,084.88, 790,704.36 and 153,059.28

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Solution

The fourth proportional to 527,084.88, 790,704.36 and 153,059.28 is: 229,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,084.88 : 790,704.36 = 153,059.28 : x
  2. Step 2: Convert to fraction form
    527,084.88/790,704.36 = 153,059.28/x
  3. Step 3: Cross multiply
    527,084.88x = 790,704.36 × 153,059.28
  4. Step 4: Simplify right side
    527,084.88x = 121,024,640,034.46
  5. Step 5: Solve for x
    x = 121,024,640,034.46/527,084.88
  6. Step 6: Final answer
    x = 229,611.29

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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.