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Finding the Fourth Proportional to 338,711.60, 467,482.92 and 195,451.76

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Solution

The fourth proportional to 338,711.60, 467,482.92 and 195,451.76 is: 269,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,711.60 : 467,482.92 = 195,451.76 : x
  2. Step 2: Convert to fraction form
    338,711.60/467,482.92 = 195,451.76/x
  3. Step 3: Cross multiply
    338,711.60x = 467,482.92 × 195,451.76
  4. Step 4: Simplify right side
    338,711.60x = 91,370,359,483.94
  5. Step 5: Solve for x
    x = 91,370,359,483.94/338,711.60
  6. Step 6: Final answer
    x = 269,758.58

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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.