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Finding the Fourth Proportional to 650,738.40, 976,253.40 and 251,343.60

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Solution

The fourth proportional to 650,738.40, 976,253.40 and 251,343.60 is: 377,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,738.40 : 976,253.40 = 251,343.60 : x
  2. Step 2: Convert to fraction form
    650,738.40/976,253.40 = 251,343.60/x
  3. Step 3: Cross multiply
    650,738.40x = 976,253.40 × 251,343.60
  4. Step 4: Simplify right side
    650,738.40x = 245,375,044,068.24
  5. Step 5: Solve for x
    x = 245,375,044,068.24/650,738.40
  6. Step 6: Final answer
    x = 377,071.71

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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.