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Finding the Fourth Proportional to 332,243.70, 498,015.57 and 165,681.78

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Solution

The fourth proportional to 332,243.70, 498,015.57 and 165,681.78 is: 248,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,243.70 : 498,015.57 = 165,681.78 : x
  2. Step 2: Convert to fraction form
    332,243.70/498,015.57 = 165,681.78/x
  3. Step 3: Cross multiply
    332,243.70x = 498,015.57 × 165,681.78
  4. Step 4: Simplify right side
    332,243.70x = 82,512,106,105.31
  5. Step 5: Solve for x
    x = 82,512,106,105.31/332,243.70
  6. Step 6: Final answer
    x = 248,348.14

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1.5x scale

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.