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Finding the Fourth Proportional to 239,334.98, 330,401.85 and 185,499.14

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Solution

The fourth proportional to 239,334.98, 330,401.85 and 185,499.14 is: 256,081.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,334.98 : 330,401.85 = 185,499.14 : x
  2. Step 2: Convert to fraction form
    239,334.98/330,401.85 = 185,499.14/x
  3. Step 3: Cross multiply
    239,334.98x = 330,401.85 × 185,499.14
  4. Step 4: Simplify right side
    239,334.98x = 61,289,259,029.41
  5. Step 5: Solve for x
    x = 61,289,259,029.41/239,334.98
  6. Step 6: Final answer
    x = 256,081.49

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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.