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Finding the Fourth Proportional to 1,041,837.60, 1,566,255.60 and 887,872.80

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Solution

The fourth proportional to 1,041,837.60, 1,566,255.60 and 887,872.80 is: 1,334,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,837.60 : 1,566,255.60 = 887,872.80 : x
  2. Step 2: Convert to fraction form
    1,041,837.60/1,566,255.60 = 887,872.80/x
  3. Step 3: Cross multiply
    1,041,837.60x = 1,566,255.60 × 887,872.80
  4. Step 4: Simplify right side
    1,041,837.60x = 1,390,635,745,087.68
  5. Step 5: Solve for x
    x = 1,390,635,745,087.68/1,041,837.60
  6. Step 6: Final answer
    x = 1,334,791.28

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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.