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Finding the Fourth Proportional to 650,711.40, 975,606.30 and 251,197.80

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Solution

The fourth proportional to 650,711.40, 975,606.30 and 251,197.80 is: 376,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,711.40 : 975,606.30 = 251,197.80 : x
  2. Step 2: Convert to fraction form
    650,711.40/975,606.30 = 251,197.80/x
  3. Step 3: Cross multiply
    650,711.40x = 975,606.30 × 251,197.80
  4. Step 4: Simplify right side
    650,711.40x = 245,070,156,226.14
  5. Step 5: Solve for x
    x = 245,070,156,226.14/650,711.40
  6. Step 6: Final answer
    x = 376,618.81

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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.