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Finding the Fourth Proportional to 270,003.60, 404,130.60 and 238,510.80

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Solution

The fourth proportional to 270,003.60, 404,130.60 and 238,510.80 is: 356,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,003.60 : 404,130.60 = 238,510.80 : x
  2. Step 2: Convert to fraction form
    270,003.60/404,130.60 = 238,510.80/x
  3. Step 3: Cross multiply
    270,003.60x = 404,130.60 × 238,510.80
  4. Step 4: Simplify right side
    270,003.60x = 96,389,512,710.48
  5. Step 5: Solve for x
    x = 96,389,512,710.48/270,003.60
  6. Step 6: Final answer
    x = 356,993.44

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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.