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Finding the Fourth Proportional to 475,843.10, 656,681.88 and 260,992.22

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Solution

The fourth proportional to 475,843.10, 656,681.88 and 260,992.22 is: 360,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,843.10 : 656,681.88 = 260,992.22 : x
  2. Step 2: Convert to fraction form
    475,843.10/656,681.88 = 260,992.22/x
  3. Step 3: Cross multiply
    475,843.10x = 656,681.88 × 260,992.22
  4. Step 4: Simplify right side
    475,843.10x = 171,388,861,694.97
  5. Step 5: Solve for x
    x = 171,388,861,694.97/475,843.10
  6. Step 6: Final answer
    x = 360,179.36

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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.