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Finding the Fourth Proportional to 535,269.78, 738,672.24 and 296,805.78

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Solution

The fourth proportional to 535,269.78, 738,672.24 and 296,805.78 is: 409,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,269.78 : 738,672.24 = 296,805.78 : x
  2. Step 2: Convert to fraction form
    535,269.78/738,672.24 = 296,805.78/x
  3. Step 3: Cross multiply
    535,269.78x = 738,672.24 × 296,805.78
  4. Step 4: Simplify right side
    535,269.78x = 219,242,190,357.55
  5. Step 5: Solve for x
    x = 219,242,190,357.55/535,269.78
  6. Step 6: Final answer
    x = 409,591.95

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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.