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Finding the Fourth Proportional to 353,856.71, 488,255.17 and 224,816.20

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Solution

The fourth proportional to 353,856.71, 488,255.17 and 224,816.20 is: 310,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,856.71 : 488,255.17 = 224,816.20 : x
  2. Step 2: Convert to fraction form
    353,856.71/488,255.17 = 224,816.20/x
  3. Step 3: Cross multiply
    353,856.71x = 488,255.17 × 224,816.20
  4. Step 4: Simplify right side
    353,856.71x = 109,767,669,508.48
  5. Step 5: Solve for x
    x = 109,767,669,508.48/353,856.71
  6. Step 6: Final answer
    x = 310,203.72

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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.