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Finding the Fourth Proportional to 329,235, 454,363.74 and 185,991.36

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Solution

The fourth proportional to 329,235, 454,363.74 and 185,991.36 is: 256,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,235 : 454,363.74 = 185,991.36 : x
  2. Step 2: Convert to fraction form
    329,235/454,363.74 = 185,991.36/x
  3. Step 3: Cross multiply
    329,235x = 454,363.74 × 185,991.36
  4. Step 4: Simplify right side
    329,235x = 84,507,729,937.29
  5. Step 5: Solve for x
    x = 84,507,729,937.29/329,235
  6. Step 6: Final answer
    x = 256,679.06

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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.