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Finding the Fourth Proportional to 750,951.32, 1,036,314 and 445,177.96

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Solution

The fourth proportional to 750,951.32, 1,036,314 and 445,177.96 is: 614,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,951.32 : 1,036,314 = 445,177.96 : x
  2. Step 2: Convert to fraction form
    750,951.32/1,036,314 = 445,177.96/x
  3. Step 3: Cross multiply
    750,951.32x = 1,036,314 × 445,177.96
  4. Step 4: Simplify right side
    750,951.32x = 461,344,149,848.66
  5. Step 5: Solve for x
    x = 461,344,149,848.66/750,951.32
  6. Step 6: Final answer
    x = 614,346.28

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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.