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Finding the Fourth Proportional to 444,191.75, 612,982.79 and 240,242.90

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Solution

The fourth proportional to 444,191.75, 612,982.79 and 240,242.90 is: 331,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,191.75 : 612,982.79 = 240,242.90 : x
  2. Step 2: Convert to fraction form
    444,191.75/612,982.79 = 240,242.90/x
  3. Step 3: Cross multiply
    444,191.75x = 612,982.79 × 240,242.90
  4. Step 4: Simplify right side
    444,191.75x = 147,264,759,754.47
  5. Step 5: Solve for x
    x = 147,264,759,754.47/444,191.75
  6. Step 6: Final answer
    x = 331,534.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.