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Finding the Fourth Proportional to 2,696,708.86, 3,721,432.88 and 1,473,013.78

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Solution

The fourth proportional to 2,696,708.86, 3,721,432.88 and 1,473,013.78 is: 2,032,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,708.86 : 3,721,432.88 = 1,473,013.78 : x
  2. Step 2: Convert to fraction form
    2,696,708.86/3,721,432.88 = 1,473,013.78/x
  3. Step 3: Cross multiply
    2,696,708.86x = 3,721,432.88 × 1,473,013.78
  4. Step 4: Simplify right side
    2,696,708.86x = 5,481,721,913,585.09
  5. Step 5: Solve for x
    x = 5,481,721,913,585.09/2,696,708.86
  6. Step 6: Final answer
    x = 2,032,745.17

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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.