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Finding the Fourth Proportional to 454,549.95, 627,139.92 and 263,525.22

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Solution

The fourth proportional to 454,549.95, 627,139.92 and 263,525.22 is: 363,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,549.95 : 627,139.92 = 263,525.22 : x
  2. Step 2: Convert to fraction form
    454,549.95/627,139.92 = 263,525.22/x
  3. Step 3: Cross multiply
    454,549.95x = 627,139.92 × 263,525.22
  4. Step 4: Simplify right side
    454,549.95x = 165,267,185,388.78
  5. Step 5: Solve for x
    x = 165,267,185,388.78/454,549.95
  6. Step 6: Final answer
    x = 363,584.21

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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.