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Finding the Fourth Proportional to 527,004.88, 790,529.19 and 153,027.88

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Solution

The fourth proportional to 527,004.88, 790,529.19 and 153,027.88 is: 229,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,004.88 : 790,529.19 = 153,027.88 : x
  2. Step 2: Convert to fraction form
    527,004.88/790,529.19 = 153,027.88/x
  3. Step 3: Cross multiply
    527,004.88x = 790,529.19 × 153,027.88
  4. Step 4: Simplify right side
    527,004.88x = 120,973,006,023.82
  5. Step 5: Solve for x
    x = 120,973,006,023.82/527,004.88
  6. Step 6: Final answer
    x = 229,548.17

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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.