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Finding the Fourth Proportional to 681,887.55, 941,115.69 and 410,230.02

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Solution

The fourth proportional to 681,887.55, 941,115.69 and 410,230.02 is: 566,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,887.55 : 941,115.69 = 410,230.02 : x
  2. Step 2: Convert to fraction form
    681,887.55/941,115.69 = 410,230.02/x
  3. Step 3: Cross multiply
    681,887.55x = 941,115.69 × 410,230.02
  4. Step 4: Simplify right side
    681,887.55x = 386,073,908,331.01
  5. Step 5: Solve for x
    x = 386,073,908,331.01/681,887.55
  6. Step 6: Final answer
    x = 566,184.13

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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.