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Finding the Fourth Proportional to 224,340.48, 308,959.92 and 219,441.60

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Solution

The fourth proportional to 224,340.48, 308,959.92 and 219,441.60 is: 302,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,340.48 : 308,959.92 = 219,441.60 : x
  2. Step 2: Convert to fraction form
    224,340.48/308,959.92 = 219,441.60/x
  3. Step 3: Cross multiply
    224,340.48x = 308,959.92 × 219,441.60
  4. Step 4: Simplify right side
    224,340.48x = 67,798,659,180.67
  5. Step 5: Solve for x
    x = 67,798,659,180.67/224,340.48
  6. Step 6: Final answer
    x = 302,213.22

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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.