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Finding the Fourth Proportional to 635,891.76, 953,062.92 and 351,570.96

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Solution

The fourth proportional to 635,891.76, 953,062.92 and 351,570.96 is: 526,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,891.76 : 953,062.92 = 351,570.96 : x
  2. Step 2: Convert to fraction form
    635,891.76/953,062.92 = 351,570.96/x
  3. Step 3: Cross multiply
    635,891.76x = 953,062.92 × 351,570.96
  4. Step 4: Simplify right side
    635,891.76x = 335,069,245,724.80
  5. Step 5: Solve for x
    x = 335,069,245,724.80/635,891.76
  6. Step 6: Final answer
    x = 526,928.11

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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.