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Finding the Fourth Proportional to 942,843.88, 1,414,265.82 and 776,281.96

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Solution

The fourth proportional to 942,843.88, 1,414,265.82 and 776,281.96 is: 1,164,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,843.88 : 1,414,265.82 = 776,281.96 : x
  2. Step 2: Convert to fraction form
    942,843.88/1,414,265.82 = 776,281.96/x
  3. Step 3: Cross multiply
    942,843.88x = 1,414,265.82 × 776,281.96
  4. Step 4: Simplify right side
    942,843.88x = 1,097,869,042,710.61
  5. Step 5: Solve for x
    x = 1,097,869,042,710.61/942,843.88
  6. Step 6: Final answer
    x = 1,164,422.94

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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.