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Finding the Fourth Proportional to 834,337.80, 1,251,506.70 and 801,678.60

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Solution

The fourth proportional to 834,337.80, 1,251,506.70 and 801,678.60 is: 1,202,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,337.80 : 1,251,506.70 = 801,678.60 : x
  2. Step 2: Convert to fraction form
    834,337.80/1,251,506.70 = 801,678.60/x
  3. Step 3: Cross multiply
    834,337.80x = 1,251,506.70 × 801,678.60
  4. Step 4: Simplify right side
    834,337.80x = 1,003,306,139,146.62
  5. Step 5: Solve for x
    x = 1,003,306,139,146.62/834,337.80
  6. Step 6: Final answer
    x = 1,202,517.90

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1.5x scale

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.