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Finding the Fourth Proportional to 834,772.88, 1,248,585.80 and 774,265.84

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Solution

The fourth proportional to 834,772.88, 1,248,585.80 and 774,265.84 is: 1,158,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,772.88 : 1,248,585.80 = 774,265.84 : x
  2. Step 2: Convert to fraction form
    834,772.88/1,248,585.80 = 774,265.84/x
  3. Step 3: Cross multiply
    834,772.88x = 1,248,585.80 × 774,265.84
  4. Step 4: Simplify right side
    834,772.88x = 966,737,333,249.07
  5. Step 5: Solve for x
    x = 966,737,333,249.07/834,772.88
  6. Step 6: Final answer
    x = 1,158,084.26

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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.