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Finding the Fourth Proportional to 317,753.04, 438,502.20 and 174,516

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Solution

The fourth proportional to 317,753.04, 438,502.20 and 174,516 is: 240,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,753.04 : 438,502.20 = 174,516 : x
  2. Step 2: Convert to fraction form
    317,753.04/438,502.20 = 174,516/x
  3. Step 3: Cross multiply
    317,753.04x = 438,502.20 × 174,516
  4. Step 4: Simplify right side
    317,753.04x = 76,525,649,935.20
  5. Step 5: Solve for x
    x = 76,525,649,935.20/317,753.04
  6. Step 6: Final answer
    x = 240,833.73

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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.