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Finding the Fourth Proportional to 224,780.40, 310,561.56 and 222,568.56

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Solution

The fourth proportional to 224,780.40, 310,561.56 and 222,568.56 is: 307,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,780.40 : 310,561.56 = 222,568.56 : x
  2. Step 2: Convert to fraction form
    224,780.40/310,561.56 = 222,568.56/x
  3. Step 3: Cross multiply
    224,780.40x = 310,561.56 × 222,568.56
  4. Step 4: Simplify right side
    224,780.40x = 69,121,239,200.55
  5. Step 5: Solve for x
    x = 69,121,239,200.55/224,780.40
  6. Step 6: Final answer
    x = 307,505.63

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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.