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Finding the Fourth Proportional to 984,139.80, 1,473,876.90 and 984,139.80

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Solution

The fourth proportional to 984,139.80, 1,473,876.90 and 984,139.80 is: 1,473,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,139.80 : 1,473,876.90 = 984,139.80 : x
  2. Step 2: Convert to fraction form
    984,139.80/1,473,876.90 = 984,139.80/x
  3. Step 3: Cross multiply
    984,139.80x = 1,473,876.90 × 984,139.80
  4. Step 4: Simplify right side
    984,139.80x = 1,450,500,917,590.62
  5. Step 5: Solve for x
    x = 1,450,500,917,590.62/984,139.80
  6. Step 6: Final answer
    x = 1,473,876.90

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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.