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Finding the Fourth Proportional to 667,101.40, 935,808.20 and 667,101.40

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Solution

The fourth proportional to 667,101.40, 935,808.20 and 667,101.40 is: 935,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,101.40 : 935,808.20 = 667,101.40 : x
  2. Step 2: Convert to fraction form
    667,101.40/935,808.20 = 667,101.40/x
  3. Step 3: Cross multiply
    667,101.40x = 935,808.20 × 667,101.40
  4. Step 4: Simplify right side
    667,101.40x = 624,278,960,351.48
  5. Step 5: Solve for x
    x = 624,278,960,351.48/667,101.40
  6. Step 6: Final answer
    x = 935,808.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.