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Finding the Fourth Proportional to 1,223,865.84, 1,834,787.88 and 540,265.92

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Solution

The fourth proportional to 1,223,865.84, 1,834,787.88 and 540,265.92 is: 809,952.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,865.84 : 1,834,787.88 = 540,265.92 : x
  2. Step 2: Convert to fraction form
    1,223,865.84/1,834,787.88 = 540,265.92/x
  3. Step 3: Cross multiply
    1,223,865.84x = 1,834,787.88 × 540,265.92
  4. Step 4: Simplify right side
    1,223,865.84x = 991,273,361,993.05
  5. Step 5: Solve for x
    x = 991,273,361,993.05/1,223,865.84
  6. Step 6: Final answer
    x = 809,952.63

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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.