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Finding the Fourth Proportional to 527,102.88, 790,731.36 and 153,077.28

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Solution

The fourth proportional to 527,102.88, 790,731.36 and 153,077.28 is: 229,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,102.88 : 790,731.36 = 153,077.28 : x
  2. Step 2: Convert to fraction form
    527,102.88/790,731.36 = 153,077.28/x
  3. Step 3: Cross multiply
    527,102.88x = 790,731.36 × 153,077.28
  4. Step 4: Simplify right side
    527,102.88x = 121,043,005,799.50
  5. Step 5: Solve for x
    x = 121,043,005,799.50/527,102.88
  6. Step 6: Final answer
    x = 229,638.29

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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.