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Finding the Fourth Proportional to 317,454.07, 476,195.70 and 80,798.80

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Solution

The fourth proportional to 317,454.07, 476,195.70 and 80,798.80 is: 121,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,454.07 : 476,195.70 = 80,798.80 : x
  2. Step 2: Convert to fraction form
    317,454.07/476,195.70 = 80,798.80/x
  3. Step 3: Cross multiply
    317,454.07x = 476,195.70 × 80,798.80
  4. Step 4: Simplify right side
    317,454.07x = 38,476,041,125.16
  5. Step 5: Solve for x
    x = 38,476,041,125.16/317,454.07
  6. Step 6: Final answer
    x = 121,201.91

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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.