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Finding the Fourth Proportional to 1,747,866.66, 2,412,101.61 and 983,948.10

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Solution

The fourth proportional to 1,747,866.66, 2,412,101.61 and 983,948.10 is: 1,357,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,866.66 : 2,412,101.61 = 983,948.10 : x
  2. Step 2: Convert to fraction form
    1,747,866.66/2,412,101.61 = 983,948.10/x
  3. Step 3: Cross multiply
    1,747,866.66x = 2,412,101.61 × 983,948.10
  4. Step 4: Simplify right side
    1,747,866.66x = 2,373,382,796,166.44
  5. Step 5: Solve for x
    x = 2,373,382,796,166.44/1,747,866.66
  6. Step 6: Final answer
    x = 1,357,874.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.