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Finding the Fourth Proportional to 693,663.12, 1,040,494.56 and 195,027.12

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Solution

The fourth proportional to 693,663.12, 1,040,494.56 and 195,027.12 is: 292,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,663.12 : 1,040,494.56 = 195,027.12 : x
  2. Step 2: Convert to fraction form
    693,663.12/1,040,494.56 = 195,027.12/x
  3. Step 3: Cross multiply
    693,663.12x = 1,040,494.56 × 195,027.12
  4. Step 4: Simplify right side
    693,663.12x = 202,924,657,412.47
  5. Step 5: Solve for x
    x = 202,924,657,412.47/693,663.12
  6. Step 6: Final answer
    x = 292,540.65

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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.