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Finding the Fourth Proportional to 284,691.76, 392,620.08 and 236,216.92

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Solution

The fourth proportional to 284,691.76, 392,620.08 and 236,216.92 is: 325,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,691.76 : 392,620.08 = 236,216.92 : x
  2. Step 2: Convert to fraction form
    284,691.76/392,620.08 = 236,216.92/x
  3. Step 3: Cross multiply
    284,691.76x = 392,620.08 × 236,216.92
  4. Step 4: Simplify right side
    284,691.76x = 92,743,506,027.75
  5. Step 5: Solve for x
    x = 92,743,506,027.75/284,691.76
  6. Step 6: Final answer
    x = 325,768.14

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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.