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Finding the Fourth Proportional to 288,992.16, 398,635.92 and 183,008.16

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Solution

The fourth proportional to 288,992.16, 398,635.92 and 183,008.16 is: 252,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,992.16 : 398,635.92 = 183,008.16 : x
  2. Step 2: Convert to fraction form
    288,992.16/398,635.92 = 183,008.16/x
  3. Step 3: Cross multiply
    288,992.16x = 398,635.92 × 183,008.16
  4. Step 4: Simplify right side
    288,992.16x = 72,953,626,229.11
  5. Step 5: Solve for x
    x = 72,953,626,229.11/288,992.16
  6. Step 6: Final answer
    x = 252,441.54

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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.