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Finding the Fourth Proportional to 360,882.30, 497,842.17 and 238,422.72

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Solution

The fourth proportional to 360,882.30, 497,842.17 and 238,422.72 is: 328,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,882.30 : 497,842.17 = 238,422.72 : x
  2. Step 2: Convert to fraction form
    360,882.30/497,842.17 = 238,422.72/x
  3. Step 3: Cross multiply
    360,882.30x = 497,842.17 × 238,422.72
  4. Step 4: Simplify right side
    360,882.30x = 118,696,884,302.10
  5. Step 5: Solve for x
    x = 118,696,884,302.10/360,882.30
  6. Step 6: Final answer
    x = 328,907.47

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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.