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Finding the Fourth Proportional to 461,891.19, 637,233.62 and 280,534.71

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Solution

The fourth proportional to 461,891.19, 637,233.62 and 280,534.71 is: 387,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,891.19 : 637,233.62 = 280,534.71 : x
  2. Step 2: Convert to fraction form
    461,891.19/637,233.62 = 280,534.71/x
  3. Step 3: Cross multiply
    461,891.19x = 637,233.62 × 280,534.71
  4. Step 4: Simplify right side
    461,891.19x = 178,766,147,386.28
  5. Step 5: Solve for x
    x = 178,766,147,386.28/461,891.19
  6. Step 6: Final answer
    x = 387,030.87

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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.