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Finding the Fourth Proportional to 350,921.92, 526,392.60 and 114,278.80

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Solution

The fourth proportional to 350,921.92, 526,392.60 and 114,278.80 is: 171,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,921.92 : 526,392.60 = 114,278.80 : x
  2. Step 2: Convert to fraction form
    350,921.92/526,392.60 = 114,278.80/x
  3. Step 3: Cross multiply
    350,921.92x = 526,392.60 × 114,278.80
  4. Step 4: Simplify right side
    350,921.92x = 60,155,514,656.88
  5. Step 5: Solve for x
    x = 60,155,514,656.88/350,921.92
  6. Step 6: Final answer
    x = 171,421.37

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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.