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Finding the Fourth Proportional to 245,328.20, 367,992.30 and 65,414.24

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Solution

The fourth proportional to 245,328.20, 367,992.30 and 65,414.24 is: 98,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,328.20 : 367,992.30 = 65,414.24 : x
  2. Step 2: Convert to fraction form
    245,328.20/367,992.30 = 65,414.24/x
  3. Step 3: Cross multiply
    245,328.20x = 367,992.30 × 65,414.24
  4. Step 4: Simplify right side
    245,328.20x = 24,071,934,790.39
  5. Step 5: Solve for x
    x = 24,071,934,790.39/245,328.20
  6. Step 6: Final answer
    x = 98,121.35

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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.