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Finding the Fourth Proportional to 329,019.36, 454,046.76 and 185,788.68

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Solution

The fourth proportional to 329,019.36, 454,046.76 and 185,788.68 is: 256,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,019.36 : 454,046.76 = 185,788.68 : x
  2. Step 2: Convert to fraction form
    329,019.36/454,046.76 = 185,788.68/x
  3. Step 3: Cross multiply
    329,019.36x = 454,046.76 × 185,788.68
  4. Step 4: Simplify right side
    329,019.36x = 84,356,748,198.68
  5. Step 5: Solve for x
    x = 84,356,748,198.68/329,019.36
  6. Step 6: Final answer
    x = 256,388.40

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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.