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Finding the Fourth Proportional to 1,866,747.06, 2,801,789.80 and 956,550.47

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Solution

The fourth proportional to 1,866,747.06, 2,801,789.80 and 956,550.47 is: 1,435,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,747.06 : 2,801,789.80 = 956,550.47 : x
  2. Step 2: Convert to fraction form
    1,866,747.06/2,801,789.80 = 956,550.47/x
  3. Step 3: Cross multiply
    1,866,747.06x = 2,801,789.80 × 956,550.47
  4. Step 4: Simplify right side
    1,866,747.06x = 2,680,053,336,022.26
  5. Step 5: Solve for x
    x = 2,680,053,336,022.26/1,866,747.06
  6. Step 6: Final answer
    x = 1,435,681.03

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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.