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Finding the Fourth Proportional to 248,371.20, 373,219.20 and 217,514.40

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Solution

The fourth proportional to 248,371.20, 373,219.20 and 217,514.40 is: 326,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,371.20 : 373,219.20 = 217,514.40 : x
  2. Step 2: Convert to fraction form
    248,371.20/373,219.20 = 217,514.40/x
  3. Step 3: Cross multiply
    248,371.20x = 373,219.20 × 217,514.40
  4. Step 4: Simplify right side
    248,371.20x = 81,180,550,356.48
  5. Step 5: Solve for x
    x = 81,180,550,356.48/248,371.20
  6. Step 6: Final answer
    x = 326,851.71

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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.