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Finding the Fourth Proportional to 462,567.28, 638,307.36 and 281,254.04

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Solution

The fourth proportional to 462,567.28, 638,307.36 and 281,254.04 is: 388,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,567.28 : 638,307.36 = 281,254.04 : x
  2. Step 2: Convert to fraction form
    462,567.28/638,307.36 = 281,254.04/x
  3. Step 3: Cross multiply
    462,567.28x = 638,307.36 × 281,254.04
  4. Step 4: Simplify right side
    462,567.28x = 179,526,523,761.73
  5. Step 5: Solve for x
    x = 179,526,523,761.73/462,567.28
  6. Step 6: Final answer
    x = 388,109.00

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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.