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Finding the Fourth Proportional to 440,886.12, 661,414.30 and 188,162.92

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Solution

The fourth proportional to 440,886.12, 661,414.30 and 188,162.92 is: 282,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,886.12 : 661,414.30 = 188,162.92 : x
  2. Step 2: Convert to fraction form
    440,886.12/661,414.30 = 188,162.92/x
  3. Step 3: Cross multiply
    440,886.12x = 661,414.30 × 188,162.92
  4. Step 4: Simplify right side
    440,886.12x = 124,453,646,017.76
  5. Step 5: Solve for x
    x = 124,453,646,017.76/440,886.12
  6. Step 6: Final answer
    x = 282,280.71

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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.