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Finding the Fourth Proportional to 527,008.88, 790,535.19 and 153,031.88

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Solution

The fourth proportional to 527,008.88, 790,535.19 and 153,031.88 is: 229,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,008.88 : 790,535.19 = 153,031.88 : x
  2. Step 2: Convert to fraction form
    527,008.88/790,535.19 = 153,031.88/x
  3. Step 3: Cross multiply
    527,008.88x = 790,535.19 × 153,031.88
  4. Step 4: Simplify right side
    527,008.88x = 120,977,082,379.18
  5. Step 5: Solve for x
    x = 120,977,082,379.18/527,008.88
  6. Step 6: Final answer
    x = 229,554.17

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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.