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Finding the Fourth Proportional to 527,003.38, 790,526.94 and 153,026.38

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Solution

The fourth proportional to 527,003.38, 790,526.94 and 153,026.38 is: 229,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,003.38 : 790,526.94 = 153,026.38 : x
  2. Step 2: Convert to fraction form
    527,003.38/790,526.94 = 153,026.38/x
  3. Step 3: Cross multiply
    527,003.38x = 790,526.94 × 153,026.38
  4. Step 4: Simplify right side
    527,003.38x = 120,971,471,202.91
  5. Step 5: Solve for x
    x = 120,971,471,202.91/527,003.38
  6. Step 6: Final answer
    x = 229,545.91

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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.