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Finding the Fourth Proportional to 404,553.20, 607,175.40 and 180,258.80

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Solution

The fourth proportional to 404,553.20, 607,175.40 and 180,258.80 is: 270,542.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,553.20 : 607,175.40 = 180,258.80 : x
  2. Step 2: Convert to fraction form
    404,553.20/607,175.40 = 180,258.80/x
  3. Step 3: Cross multiply
    404,553.20x = 607,175.40 × 180,258.80
  4. Step 4: Simplify right side
    404,553.20x = 109,448,708,993.52
  5. Step 5: Solve for x
    x = 109,448,708,993.52/404,553.20
  6. Step 6: Final answer
    x = 270,542.19

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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.