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Finding the Fourth Proportional to 338,710.18, 467,419.50 and 195,470.20

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Solution

The fourth proportional to 338,710.18, 467,419.50 and 195,470.20 is: 269,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,710.18 : 467,419.50 = 195,470.20 : x
  2. Step 2: Convert to fraction form
    338,710.18/467,419.50 = 195,470.20/x
  3. Step 3: Cross multiply
    338,710.18x = 467,419.50 × 195,470.20
  4. Step 4: Simplify right side
    338,710.18x = 91,366,583,148.90
  5. Step 5: Solve for x
    x = 91,366,583,148.90/338,710.18
  6. Step 6: Final answer
    x = 269,748.56

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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.