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Finding the Fourth Proportional to 316,008.24, 436,098.24 and 188,660.04

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Solution

The fourth proportional to 316,008.24, 436,098.24 and 188,660.04 is: 260,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,008.24 : 436,098.24 = 188,660.04 : x
  2. Step 2: Convert to fraction form
    316,008.24/436,098.24 = 188,660.04/x
  3. Step 3: Cross multiply
    316,008.24x = 436,098.24 × 188,660.04
  4. Step 4: Simplify right side
    316,008.24x = 82,274,311,402.33
  5. Step 5: Solve for x
    x = 82,274,311,402.33/316,008.24
  6. Step 6: Final answer
    x = 260,354.96

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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.