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Finding the Fourth Proportional to 403,775.97, 605,943.57 and 160,592.10

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Solution

The fourth proportional to 403,775.97, 605,943.57 and 160,592.10 is: 240,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775.97 : 605,943.57 = 160,592.10 : x
  2. Step 2: Convert to fraction form
    403,775.97/605,943.57 = 160,592.10/x
  3. Step 3: Cross multiply
    403,775.97x = 605,943.57 × 160,592.10
  4. Step 4: Simplify right side
    403,775.97x = 97,309,750,387.80
  5. Step 5: Solve for x
    x = 97,309,750,387.80/403,775.97
  6. Step 6: Final answer
    x = 240,999.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.