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Finding the Fourth Proportional to 462,993.88, 693,982.80 and 238,366.30

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Solution

The fourth proportional to 462,993.88, 693,982.80 and 238,366.30 is: 357,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,993.88 : 693,982.80 = 238,366.30 : x
  2. Step 2: Convert to fraction form
    462,993.88/693,982.80 = 238,366.30/x
  3. Step 3: Cross multiply
    462,993.88x = 693,982.80 × 238,366.30
  4. Step 4: Simplify right side
    462,993.88x = 165,422,111,107.81
  5. Step 5: Solve for x
    x = 165,422,111,107.81/462,993.88
  6. Step 6: Final answer
    x = 357,287.90

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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.