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Finding the Fourth Proportional to 454,507.74, 627,220.67 and 250,562.16

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Solution

The fourth proportional to 454,507.74, 627,220.67 and 250,562.16 is: 345,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,507.74 : 627,220.67 = 250,562.16 : x
  2. Step 2: Convert to fraction form
    454,507.74/627,220.67 = 250,562.16/x
  3. Step 3: Cross multiply
    454,507.74x = 627,220.67 × 250,562.16
  4. Step 4: Simplify right side
    454,507.74x = 157,157,764,619.04
  5. Step 5: Solve for x
    x = 157,157,764,619.04/454,507.74
  6. Step 6: Final answer
    x = 345,775.77

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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.