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Finding the Fourth Proportional to 323,774.24, 485,544.68 and 136,800.32

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Solution

The fourth proportional to 323,774.24, 485,544.68 and 136,800.32 is: 205,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,774.24 : 485,544.68 = 136,800.32 : x
  2. Step 2: Convert to fraction form
    323,774.24/485,544.68 = 136,800.32/x
  3. Step 3: Cross multiply
    323,774.24x = 485,544.68 × 136,800.32
  4. Step 4: Simplify right side
    323,774.24x = 66,422,667,598.30
  5. Step 5: Solve for x
    x = 66,422,667,598.30/323,774.24
  6. Step 6: Final answer
    x = 205,151.18

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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.