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Finding the Fourth Proportional to 332,674.40, 499,273.68 and 155,090

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Solution

The fourth proportional to 332,674.40, 499,273.68 and 155,090 is: 232,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,674.40 : 499,273.68 = 155,090 : x
  2. Step 2: Convert to fraction form
    332,674.40/499,273.68 = 155,090/x
  3. Step 3: Cross multiply
    332,674.40x = 499,273.68 × 155,090
  4. Step 4: Simplify right side
    332,674.40x = 77,432,355,031.20
  5. Step 5: Solve for x
    x = 77,432,355,031.20/332,674.40
  6. Step 6: Final answer
    x = 232,757.18

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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.