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Finding the Fourth Proportional to 541,323.45, 746,763.26 and 357,634.08

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Solution

The fourth proportional to 541,323.45, 746,763.26 and 357,634.08 is: 493,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,323.45 : 746,763.26 = 357,634.08 : x
  2. Step 2: Convert to fraction form
    541,323.45/746,763.26 = 357,634.08/x
  3. Step 3: Cross multiply
    541,323.45x = 746,763.26 × 357,634.08
  4. Step 4: Simplify right side
    541,323.45x = 267,067,989,679.73
  5. Step 5: Solve for x
    x = 267,067,989,679.73/541,323.45
  6. Step 6: Final answer
    x = 493,361.21

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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.