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Finding the Fourth Proportional to 650,891.40, 898,126.50 and 364,423.56

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Solution

The fourth proportional to 650,891.40, 898,126.50 and 364,423.56 is: 502,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,891.40 : 898,126.50 = 364,423.56 : x
  2. Step 2: Convert to fraction form
    650,891.40/898,126.50 = 364,423.56/x
  3. Step 3: Cross multiply
    650,891.40x = 898,126.50 × 364,423.56
  4. Step 4: Simplify right side
    650,891.40x = 327,298,456,460.34
  5. Step 5: Solve for x
    x = 327,298,456,460.34/650,891.40
  6. Step 6: Final answer
    x = 502,846.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.