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Finding the Fourth Proportional to 454,677.20, 627,453.20 and 263,802.32

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Solution

The fourth proportional to 454,677.20, 627,453.20 and 263,802.32 is: 364,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,677.20 : 627,453.20 = 263,802.32 : x
  2. Step 2: Convert to fraction form
    454,677.20/627,453.20 = 263,802.32/x
  3. Step 3: Cross multiply
    454,677.20x = 627,453.20 × 263,802.32
  4. Step 4: Simplify right side
    454,677.20x = 165,523,609,851.42
  5. Step 5: Solve for x
    x = 165,523,609,851.42/454,677.20
  6. Step 6: Final answer
    x = 364,046.43

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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.