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Finding the Fourth Proportional to 1,361,184, 2,042,711.04 and 474,720

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Solution

The fourth proportional to 1,361,184, 2,042,711.04 and 474,720 is: 712,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,184 : 2,042,711.04 = 474,720 : x
  2. Step 2: Convert to fraction form
    1,361,184/2,042,711.04 = 474,720/x
  3. Step 3: Cross multiply
    1,361,184x = 2,042,711.04 × 474,720
  4. Step 4: Simplify right side
    1,361,184x = 969,715,784,908.80
  5. Step 5: Solve for x
    x = 969,715,784,908.80/1,361,184
  6. Step 6: Final answer
    x = 712,406.10

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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.