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Finding the Fourth Proportional to 263,670.92, 363,866.10 and 144,438.92

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Solution

The fourth proportional to 263,670.92, 363,866.10 and 144,438.92 is: 199,325.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,670.92 : 363,866.10 = 144,438.92 : x
  2. Step 2: Convert to fraction form
    263,670.92/363,866.10 = 144,438.92/x
  3. Step 3: Cross multiply
    263,670.92x = 363,866.10 × 144,438.92
  4. Step 4: Simplify right side
    263,670.92x = 52,556,426,508.61
  5. Step 5: Solve for x
    x = 52,556,426,508.61/263,670.92
  6. Step 6: Final answer
    x = 199,325.84

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1.5x scale

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.