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Finding the Fourth Proportional to 440,353.88, 660,529.58 and 124,813.52

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Solution

The fourth proportional to 440,353.88, 660,529.58 and 124,813.52 is: 187,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,353.88 : 660,529.58 = 124,813.52 : x
  2. Step 2: Convert to fraction form
    440,353.88/660,529.58 = 124,813.52/x
  3. Step 3: Cross multiply
    440,353.88x = 660,529.58 × 124,813.52
  4. Step 4: Simplify right side
    440,353.88x = 82,443,021,943.92
  5. Step 5: Solve for x
    x = 82,443,021,943.92/440,353.88
  6. Step 6: Final answer
    x = 187,219.93

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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.