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Finding the Fourth Proportional to 454,380.51, 627,036.95 and 247,650.76

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Solution

The fourth proportional to 454,380.51, 627,036.95 and 247,650.76 is: 341,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,380.51 : 627,036.95 = 247,650.76 : x
  2. Step 2: Convert to fraction form
    454,380.51/627,036.95 = 247,650.76/x
  3. Step 3: Cross multiply
    454,380.51x = 627,036.95 × 247,650.76
  4. Step 4: Simplify right side
    454,380.51x = 155,286,172,842.14
  5. Step 5: Solve for x
    x = 155,286,172,842.14/454,380.51
  6. Step 6: Final answer
    x = 341,753.60

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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.