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Finding the Fourth Proportional to 667,098.15, 935,803.65 and 667,098.15

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Solution

The fourth proportional to 667,098.15, 935,803.65 and 667,098.15 is: 935,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,098.15 : 935,803.65 = 667,098.15 : x
  2. Step 2: Convert to fraction form
    667,098.15/935,803.65 = 667,098.15/x
  3. Step 3: Cross multiply
    667,098.15x = 935,803.65 × 667,098.15
  4. Step 4: Simplify right side
    667,098.15x = 624,272,883,678.25
  5. Step 5: Solve for x
    x = 624,272,883,678.25/667,098.15
  6. Step 6: Final answer
    x = 935,803.65

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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.