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Finding the Fourth Proportional to 495,662.24, 684,027.28 and 291,727.52

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Solution

The fourth proportional to 495,662.24, 684,027.28 and 291,727.52 is: 402,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,662.24 : 684,027.28 = 291,727.52 : x
  2. Step 2: Convert to fraction form
    495,662.24/684,027.28 = 291,727.52/x
  3. Step 3: Cross multiply
    495,662.24x = 684,027.28 × 291,727.52
  4. Step 4: Simplify right side
    495,662.24x = 199,549,582,006.75
  5. Step 5: Solve for x
    x = 199,549,582,006.75/495,662.24
  6. Step 6: Final answer
    x = 402,591.86

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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.