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Finding the Fourth Proportional to 411,179.69, 615,252.92 and 249,167.04

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Solution

The fourth proportional to 411,179.69, 615,252.92 and 249,167.04 is: 372,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,179.69 : 615,252.92 = 249,167.04 : x
  2. Step 2: Convert to fraction form
    411,179.69/615,252.92 = 249,167.04/x
  3. Step 3: Cross multiply
    411,179.69x = 615,252.92 × 249,167.04
  4. Step 4: Simplify right side
    411,179.69x = 153,300,745,374.72
  5. Step 5: Solve for x
    x = 153,300,745,374.72/411,179.69
  6. Step 6: Final answer
    x = 372,831.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.