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Finding the Fourth Proportional to 535,254.48, 738,597.96 and 308,972.88

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Solution

The fourth proportional to 535,254.48, 738,597.96 and 308,972.88 is: 426,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,254.48 : 738,597.96 = 308,972.88 : x
  2. Step 2: Convert to fraction form
    535,254.48/738,597.96 = 308,972.88/x
  3. Step 3: Cross multiply
    535,254.48x = 738,597.96 × 308,972.88
  4. Step 4: Simplify right side
    535,254.48x = 228,206,738,863.33
  5. Step 5: Solve for x
    x = 228,206,738,863.33/535,254.48
  6. Step 6: Final answer
    x = 426,351.85

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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.