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Finding the Fourth Proportional to 344,350.72, 475,338.72 and 217,001.44

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Solution

The fourth proportional to 344,350.72, 475,338.72 and 217,001.44 is: 299,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,350.72 : 475,338.72 = 217,001.44 : x
  2. Step 2: Convert to fraction form
    344,350.72/475,338.72 = 217,001.44/x
  3. Step 3: Cross multiply
    344,350.72x = 475,338.72 × 217,001.44
  4. Step 4: Simplify right side
    344,350.72x = 103,149,186,727.76
  5. Step 5: Solve for x
    x = 103,149,186,727.76/344,350.72
  6. Step 6: Final answer
    x = 299,546.89

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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.