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Finding the Fourth Proportional to 362,189.90, 499,823.99 and 226,302.65

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Solution

The fourth proportional to 362,189.90, 499,823.99 and 226,302.65 is: 312,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,189.90 : 499,823.99 = 226,302.65 : x
  2. Step 2: Convert to fraction form
    362,189.90/499,823.99 = 226,302.65/x
  3. Step 3: Cross multiply
    362,189.90x = 499,823.99 × 226,302.65
  4. Step 4: Simplify right side
    362,189.90x = 113,111,493,470.57
  5. Step 5: Solve for x
    x = 113,111,493,470.57/362,189.90
  6. Step 6: Final answer
    x = 312,298.87

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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.