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Finding the Fourth Proportional to 1,656,007.10, 2,480,948.85 and 943,919.90

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Solution

The fourth proportional to 1,656,007.10, 2,480,948.85 and 943,919.90 is: 1,414,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,007.10 : 2,480,948.85 = 943,919.90 : x
  2. Step 2: Convert to fraction form
    1,656,007.10/2,480,948.85 = 943,919.90/x
  3. Step 3: Cross multiply
    1,656,007.10x = 2,480,948.85 × 943,919.90
  4. Step 4: Simplify right side
    1,656,007.10x = 2,341,816,990,397.12
  5. Step 5: Solve for x
    x = 2,341,816,990,397.12/1,656,007.10
  6. Step 6: Final answer
    x = 1,414,134.63

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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.