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Finding the Fourth Proportional to 535,887.76, 739,871.52 and 332,155.34

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Solution

The fourth proportional to 535,887.76, 739,871.52 and 332,155.34 is: 458,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,887.76 : 739,871.52 = 332,155.34 : x
  2. Step 2: Convert to fraction form
    535,887.76/739,871.52 = 332,155.34/x
  3. Step 3: Cross multiply
    535,887.76x = 739,871.52 × 332,155.34
  4. Step 4: Simplify right side
    535,887.76x = 245,752,276,281.92
  5. Step 5: Solve for x
    x = 245,752,276,281.92/535,887.76
  6. Step 6: Final answer
    x = 458,589.09

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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.