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Finding the Fourth Proportional to 502,447.29, 753,247.30 and 217,923.63

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Solution

The fourth proportional to 502,447.29, 753,247.30 and 217,923.63 is: 326,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,447.29 : 753,247.30 = 217,923.63 : x
  2. Step 2: Convert to fraction form
    502,447.29/753,247.30 = 217,923.63/x
  3. Step 3: Cross multiply
    502,447.29x = 753,247.30 × 217,923.63
  4. Step 4: Simplify right side
    502,447.29x = 164,150,387,179.84
  5. Step 5: Solve for x
    x = 164,150,387,179.84/502,447.29
  6. Step 6: Final answer
    x = 326,701.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.