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Finding the Fourth Proportional to 454,350.90, 681,429.15 and 201,630.90

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Solution

The fourth proportional to 454,350.90, 681,429.15 and 201,630.90 is: 302,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,350.90 : 681,429.15 = 201,630.90 : x
  2. Step 2: Convert to fraction form
    454,350.90/681,429.15 = 201,630.90/x
  3. Step 3: Cross multiply
    454,350.90x = 681,429.15 × 201,630.90
  4. Step 4: Simplify right side
    454,350.90x = 137,397,172,800.74
  5. Step 5: Solve for x
    x = 137,397,172,800.74/454,350.90
  6. Step 6: Final answer
    x = 302,403.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.