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Finding the Fourth Proportional to 2,602,380.97, 3,904,687.90 and 1,006,065.19

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Solution

The fourth proportional to 2,602,380.97, 3,904,687.90 and 1,006,065.19 is: 1,509,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,380.97 : 3,904,687.90 = 1,006,065.19 : x
  2. Step 2: Convert to fraction form
    2,602,380.97/3,904,687.90 = 1,006,065.19/x
  3. Step 3: Cross multiply
    2,602,380.97x = 3,904,687.90 × 1,006,065.19
  4. Step 4: Simplify right side
    2,602,380.97x = 3,928,370,554,480.76
  5. Step 5: Solve for x
    x = 3,928,370,554,480.76/2,602,380.97
  6. Step 6: Final answer
    x = 1,509,529.39

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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.