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Finding the Fourth Proportional to 440,391.84, 660,587.73 and 124,851.48

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Solution

The fourth proportional to 440,391.84, 660,587.73 and 124,851.48 is: 187,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,391.84 : 660,587.73 = 124,851.48 : x
  2. Step 2: Convert to fraction form
    440,391.84/660,587.73 = 124,851.48/x
  3. Step 3: Cross multiply
    440,391.84x = 660,587.73 × 124,851.48
  4. Step 4: Simplify right side
    440,391.84x = 82,475,355,760.34
  5. Step 5: Solve for x
    x = 82,475,355,760.34/440,391.84
  6. Step 6: Final answer
    x = 187,277.21

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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.