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Finding the Fourth Proportional to 352,074.97, 485,854.90 and 201,162.25

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Solution

The fourth proportional to 352,074.97, 485,854.90 and 201,162.25 is: 277,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,074.97 : 485,854.90 = 201,162.25 : x
  2. Step 2: Convert to fraction form
    352,074.97/485,854.90 = 201,162.25/x
  3. Step 3: Cross multiply
    352,074.97x = 485,854.90 × 201,162.25
  4. Step 4: Simplify right side
    352,074.97x = 97,735,664,857.53
  5. Step 5: Solve for x
    x = 97,735,664,857.53/352,074.97
  6. Step 6: Final answer
    x = 277,599.01

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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.