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Finding the Fourth Proportional to 454,708.16, 627,424.80 and 253,505.60

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Solution

The fourth proportional to 454,708.16, 627,424.80 and 253,505.60 is: 349,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,708.16 : 627,424.80 = 253,505.60 : x
  2. Step 2: Convert to fraction form
    454,708.16/627,424.80 = 253,505.60/x
  3. Step 3: Cross multiply
    454,708.16x = 627,424.80 × 253,505.60
  4. Step 4: Simplify right side
    454,708.16x = 159,055,700,378.88
  5. Step 5: Solve for x
    x = 159,055,700,378.88/454,708.16
  6. Step 6: Final answer
    x = 349,797.33

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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.