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Finding the Fourth Proportional to 331,973.40, 498,024.90 and 132,259.80

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Solution

The fourth proportional to 331,973.40, 498,024.90 and 132,259.80 is: 198,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,973.40 : 498,024.90 = 132,259.80 : x
  2. Step 2: Convert to fraction form
    331,973.40/498,024.90 = 132,259.80/x
  3. Step 3: Cross multiply
    331,973.40x = 498,024.90 × 132,259.80
  4. Step 4: Simplify right side
    331,973.40x = 65,868,673,669.02
  5. Step 5: Solve for x
    x = 65,868,673,669.02/331,973.40
  6. Step 6: Final answer
    x = 198,415.52

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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.