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Finding the Fourth Proportional to 239,334.48, 330,401.16 and 185,498.64

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Solution

The fourth proportional to 239,334.48, 330,401.16 and 185,498.64 is: 256,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,334.48 : 330,401.16 = 185,498.64 : x
  2. Step 2: Convert to fraction form
    239,334.48/330,401.16 = 185,498.64/x
  3. Step 3: Cross multiply
    239,334.48x = 330,401.16 × 185,498.64
  4. Step 4: Simplify right side
    239,334.48x = 61,288,965,834.42
  5. Step 5: Solve for x
    x = 61,288,965,834.42/239,334.48
  6. Step 6: Final answer
    x = 256,080.80

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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.