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Finding the Fourth Proportional to 650,758.40, 975,676.80 and 251,244.80

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Solution

The fourth proportional to 650,758.40, 975,676.80 and 251,244.80 is: 376,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,758.40 : 975,676.80 = 251,244.80 : x
  2. Step 2: Convert to fraction form
    650,758.40/975,676.80 = 251,244.80/x
  3. Step 3: Cross multiply
    650,758.40x = 975,676.80 × 251,244.80
  4. Step 4: Simplify right side
    650,758.40x = 245,133,722,480.64
  5. Step 5: Solve for x
    x = 245,133,722,480.64/650,758.40
  6. Step 6: Final answer
    x = 376,689.29

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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.