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Finding the Fourth Proportional to 352,422.46, 486,344.46 and 191,277.74

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Solution

The fourth proportional to 352,422.46, 486,344.46 and 191,277.74 is: 263,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,422.46 : 486,344.46 = 191,277.74 : x
  2. Step 2: Convert to fraction form
    352,422.46/486,344.46 = 191,277.74/x
  3. Step 3: Cross multiply
    352,422.46x = 486,344.46 × 191,277.74
  4. Step 4: Simplify right side
    352,422.46x = 93,026,869,170.32
  5. Step 5: Solve for x
    x = 93,026,869,170.32/352,422.46
  6. Step 6: Final answer
    x = 263,964.08

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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.