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Finding the Fourth Proportional to 381,301.80, 525,977.86 and 237,812.73

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Solution

The fourth proportional to 381,301.80, 525,977.86 and 237,812.73 is: 328,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,301.80 : 525,977.86 = 237,812.73 : x
  2. Step 2: Convert to fraction form
    381,301.80/525,977.86 = 237,812.73/x
  3. Step 3: Cross multiply
    381,301.80x = 525,977.86 × 237,812.73
  4. Step 4: Simplify right side
    381,301.80x = 125,084,230,806.16
  5. Step 5: Solve for x
    x = 125,084,230,806.16/381,301.80
  6. Step 6: Final answer
    x = 328,045.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.