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Finding the Fourth Proportional to 362,672.55, 500,332.90 and 226,470.03

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Solution

The fourth proportional to 362,672.55, 500,332.90 and 226,470.03 is: 312,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,672.55 : 500,332.90 = 226,470.03 : x
  2. Step 2: Convert to fraction form
    362,672.55/500,332.90 = 226,470.03/x
  3. Step 3: Cross multiply
    362,672.55x = 500,332.90 × 226,470.03
  4. Step 4: Simplify right side
    362,672.55x = 113,310,406,872.99
  5. Step 5: Solve for x
    x = 113,310,406,872.99/362,672.55
  6. Step 6: Final answer
    x = 312,431.72

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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.