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Finding the Fourth Proportional to 923,731.03, 1,275,348.65 and 826,766.97

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Solution

The fourth proportional to 923,731.03, 1,275,348.65 and 826,766.97 is: 1,141,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,731.03 : 1,275,348.65 = 826,766.97 : x
  2. Step 2: Convert to fraction form
    923,731.03/1,275,348.65 = 826,766.97/x
  3. Step 3: Cross multiply
    923,731.03x = 1,275,348.65 × 826,766.97
  4. Step 4: Simplify right side
    923,731.03x = 1,054,416,134,920.26
  5. Step 5: Solve for x
    x = 1,054,416,134,920.26/923,731.03
  6. Step 6: Final answer
    x = 1,141,475.28

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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.