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Finding the Fourth Proportional to 565,695.92, 780,829.04 and 372,252.80

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Solution

The fourth proportional to 565,695.92, 780,829.04 and 372,252.80 is: 513,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,695.92 : 780,829.04 = 372,252.80 : x
  2. Step 2: Convert to fraction form
    565,695.92/780,829.04 = 372,252.80/x
  3. Step 3: Cross multiply
    565,695.92x = 780,829.04 × 372,252.80
  4. Step 4: Simplify right side
    565,695.92x = 290,665,796,461.31
  5. Step 5: Solve for x
    x = 290,665,796,461.31/565,695.92
  6. Step 6: Final answer
    x = 513,819.86

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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.