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Finding the Fourth Proportional to 348,337.80, 480,759.66 and 195,437.88

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Solution

The fourth proportional to 348,337.80, 480,759.66 and 195,437.88 is: 269,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,337.80 : 480,759.66 = 195,437.88 : x
  2. Step 2: Convert to fraction form
    348,337.80/480,759.66 = 195,437.88/x
  3. Step 3: Cross multiply
    348,337.80x = 480,759.66 × 195,437.88
  4. Step 4: Simplify right side
    348,337.80x = 93,958,648,739.92
  5. Step 5: Solve for x
    x = 93,958,648,739.92/348,337.80
  6. Step 6: Final answer
    x = 269,734.29

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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.