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Finding the Fourth Proportional to 519,169.52, 716,446.68 and 292,887.92

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Solution

The fourth proportional to 519,169.52, 716,446.68 and 292,887.92 is: 404,181.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,169.52 : 716,446.68 = 292,887.92 : x
  2. Step 2: Convert to fraction form
    519,169.52/716,446.68 = 292,887.92/x
  3. Step 3: Cross multiply
    519,169.52x = 716,446.68 × 292,887.92
  4. Step 4: Simplify right side
    519,169.52x = 209,838,577,896.11
  5. Step 5: Solve for x
    x = 209,838,577,896.11/519,169.52
  6. Step 6: Final answer
    x = 404,181.24

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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.