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Finding the Fourth Proportional to 332,672.40, 499,270.68 and 155,088

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Solution

The fourth proportional to 332,672.40, 499,270.68 and 155,088 is: 232,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,672.40 : 499,270.68 = 155,088 : x
  2. Step 2: Convert to fraction form
    332,672.40/499,270.68 = 155,088/x
  3. Step 3: Cross multiply
    332,672.40x = 499,270.68 × 155,088
  4. Step 4: Simplify right side
    332,672.40x = 77,430,891,219.84
  5. Step 5: Solve for x
    x = 77,430,891,219.84/332,672.40
  6. Step 6: Final answer
    x = 232,754.18

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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.