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Finding the Fourth Proportional to 270,998.60, 374,040.18 and 180,358.38

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Solution

The fourth proportional to 270,998.60, 374,040.18 and 180,358.38 is: 248,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,998.60 : 374,040.18 = 180,358.38 : x
  2. Step 2: Convert to fraction form
    270,998.60/374,040.18 = 180,358.38/x
  3. Step 3: Cross multiply
    270,998.60x = 374,040.18 × 180,358.38
  4. Step 4: Simplify right side
    270,998.60x = 67,461,280,919.71
  5. Step 5: Solve for x
    x = 67,461,280,919.71/270,998.60
  6. Step 6: Final answer
    x = 248,935.91

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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.