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Finding the Fourth Proportional to 372,584.76, 514,167.02 and 202,820.16

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Solution

The fourth proportional to 372,584.76, 514,167.02 and 202,820.16 is: 279,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,584.76 : 514,167.02 = 202,820.16 : x
  2. Step 2: Convert to fraction form
    372,584.76/514,167.02 = 202,820.16/x
  3. Step 3: Cross multiply
    372,584.76x = 514,167.02 × 202,820.16
  4. Step 4: Simplify right side
    372,584.76x = 104,283,437,263.12
  5. Step 5: Solve for x
    x = 104,283,437,263.12/372,584.76
  6. Step 6: Final answer
    x = 279,891.85

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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.