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Finding the Fourth Proportional to 270,987.80, 374,025.36 and 180,347.60

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Solution

The fourth proportional to 270,987.80, 374,025.36 and 180,347.60 is: 248,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,987.80 : 374,025.36 = 180,347.60 : x
  2. Step 2: Convert to fraction form
    270,987.80/374,025.36 = 180,347.60/x
  3. Step 3: Cross multiply
    270,987.80x = 374,025.36 × 180,347.60
  4. Step 4: Simplify right side
    270,987.80x = 67,454,576,015.14
  5. Step 5: Solve for x
    x = 67,454,576,015.14/270,987.80
  6. Step 6: Final answer
    x = 248,921.08

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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.