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Finding the Fourth Proportional to 332,128.80, 497,682.90 and 247,491.90

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Solution

The fourth proportional to 332,128.80, 497,682.90 and 247,491.90 is: 370,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,128.80 : 497,682.90 = 247,491.90 : x
  2. Step 2: Convert to fraction form
    332,128.80/497,682.90 = 247,491.90/x
  3. Step 3: Cross multiply
    332,128.80x = 497,682.90 × 247,491.90
  4. Step 4: Simplify right side
    332,128.80x = 123,172,486,518.51
  5. Step 5: Solve for x
    x = 123,172,486,518.51/332,128.80
  6. Step 6: Final answer
    x = 370,857.59

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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.