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Finding the Fourth Proportional to 1,830,874.65, 2,746,845.22 and 819,760.13

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Solution

The fourth proportional to 1,830,874.65, 2,746,845.22 and 819,760.13 is: 1,229,878.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,874.65 : 2,746,845.22 = 819,760.13 : x
  2. Step 2: Convert to fraction form
    1,830,874.65/2,746,845.22 = 819,760.13/x
  3. Step 3: Cross multiply
    1,830,874.65x = 2,746,845.22 × 819,760.13
  4. Step 4: Simplify right side
    1,830,874.65x = 2,251,754,194,637.08
  5. Step 5: Solve for x
    x = 2,251,754,194,637.08/1,830,874.65
  6. Step 6: Final answer
    x = 1,229,878.95

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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.