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Finding the Fourth Proportional to 350,679.12, 526,151.16 and 210,535.44

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Solution

The fourth proportional to 350,679.12, 526,151.16 and 210,535.44 is: 315,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,679.12 : 526,151.16 = 210,535.44 : x
  2. Step 2: Convert to fraction form
    350,679.12/526,151.16 = 210,535.44/x
  3. Step 3: Cross multiply
    350,679.12x = 526,151.16 × 210,535.44
  4. Step 4: Simplify right side
    350,679.12x = 110,773,465,977.11
  5. Step 5: Solve for x
    x = 110,773,465,977.11/350,679.12
  6. Step 6: Final answer
    x = 315,882.70

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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.