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Finding the Fourth Proportional to 250,273.60, 345,294.88 and 153,441.60

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Solution

The fourth proportional to 250,273.60, 345,294.88 and 153,441.60 is: 211,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,273.60 : 345,294.88 = 153,441.60 : x
  2. Step 2: Convert to fraction form
    250,273.60/345,294.88 = 153,441.60/x
  3. Step 3: Cross multiply
    250,273.60x = 345,294.88 × 153,441.60
  4. Step 4: Simplify right side
    250,273.60x = 52,982,598,859.01
  5. Step 5: Solve for x
    x = 52,982,598,859.01/250,273.60
  6. Step 6: Final answer
    x = 211,698.71

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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.