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Finding the Fourth Proportional to 247,131.96, 367,518.72 and 239,258.76

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Solution

The fourth proportional to 247,131.96, 367,518.72 and 239,258.76 is: 355,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,131.96 : 367,518.72 = 239,258.76 : x
  2. Step 2: Convert to fraction form
    247,131.96/367,518.72 = 239,258.76/x
  3. Step 3: Cross multiply
    247,131.96x = 367,518.72 × 239,258.76
  4. Step 4: Simplify right side
    247,131.96x = 87,932,073,223.99
  5. Step 5: Solve for x
    x = 87,932,073,223.99/247,131.96
  6. Step 6: Final answer
    x = 355,810.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.