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Finding the Fourth Proportional to 295,367.10, 443,115.45 and 145,679.10

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Solution

The fourth proportional to 295,367.10, 443,115.45 and 145,679.10 is: 218,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,367.10 : 443,115.45 = 145,679.10 : x
  2. Step 2: Convert to fraction form
    295,367.10/443,115.45 = 145,679.10/x
  3. Step 3: Cross multiply
    295,367.10x = 443,115.45 × 145,679.10
  4. Step 4: Simplify right side
    295,367.10x = 64,552,659,952.10
  5. Step 5: Solve for x
    x = 64,552,659,952.10/295,367.10
  6. Step 6: Final answer
    x = 218,550.61

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1.5x scale

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.