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Finding the Fourth Proportional to 535,257.48, 738,688.50 and 296,793.48

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Solution

The fourth proportional to 535,257.48, 738,688.50 and 296,793.48 is: 409,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,257.48 : 738,688.50 = 296,793.48 : x
  2. Step 2: Convert to fraction form
    535,257.48/738,688.50 = 296,793.48/x
  3. Step 3: Cross multiply
    535,257.48x = 738,688.50 × 296,793.48
  4. Step 4: Simplify right side
    535,257.48x = 219,237,930,550.98
  5. Step 5: Solve for x
    x = 219,237,930,550.98/535,257.48
  6. Step 6: Final answer
    x = 409,593.40

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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.