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Finding the Fourth Proportional to 2,480,815.02, 3,721,752.54 and 861,633.93

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Solution

The fourth proportional to 2,480,815.02, 3,721,752.54 and 861,633.93 is: 1,292,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480,815.02 : 3,721,752.54 = 861,633.93 : x
  2. Step 2: Convert to fraction form
    2,480,815.02/3,721,752.54 = 861,633.93/x
  3. Step 3: Cross multiply
    2,480,815.02x = 3,721,752.54 × 861,633.93
  4. Step 4: Simplify right side
    2,480,815.02x = 3,206,788,267,527.68
  5. Step 5: Solve for x
    x = 3,206,788,267,527.68/2,480,815.02
  6. Step 6: Final answer
    x = 1,292,634.98

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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.