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Finding the Fourth Proportional to 275,514.71, 412,877.46 and 156,941.24

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Solution

The fourth proportional to 275,514.71, 412,877.46 and 156,941.24 is: 235,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,514.71 : 412,877.46 = 156,941.24 : x
  2. Step 2: Convert to fraction form
    275,514.71/412,877.46 = 156,941.24/x
  3. Step 3: Cross multiply
    275,514.71x = 412,877.46 × 156,941.24
  4. Step 4: Simplify right side
    275,514.71x = 64,797,500,540.45
  5. Step 5: Solve for x
    x = 64,797,500,540.45/275,514.71
  6. Step 6: Final answer
    x = 235,187.08

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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.