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Finding the Fourth Proportional to 404,591.80, 607,106.40 and 179,986.90

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Solution

The fourth proportional to 404,591.80, 607,106.40 and 179,986.90 is: 270,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,591.80 : 607,106.40 = 179,986.90 : x
  2. Step 2: Convert to fraction form
    404,591.80/607,106.40 = 179,986.90/x
  3. Step 3: Cross multiply
    404,591.80x = 607,106.40 × 179,986.90
  4. Step 4: Simplify right side
    404,591.80x = 109,271,198,906.16
  5. Step 5: Solve for x
    x = 109,271,198,906.16/404,591.80
  6. Step 6: Final answer
    x = 270,077.64

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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.