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Finding the Fourth Proportional to 1,044,179.80, 1,566,269.70 and 684,928.60

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Solution

The fourth proportional to 1,044,179.80, 1,566,269.70 and 684,928.60 is: 1,027,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,179.80 : 1,566,269.70 = 684,928.60 : x
  2. Step 2: Convert to fraction form
    1,044,179.80/1,566,269.70 = 684,928.60/x
  3. Step 3: Cross multiply
    1,044,179.80x = 1,566,269.70 × 684,928.60
  4. Step 4: Simplify right side
    1,044,179.80x = 1,072,782,912,843.42
  5. Step 5: Solve for x
    x = 1,072,782,912,843.42/1,044,179.80
  6. Step 6: Final answer
    x = 1,027,392.90

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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.