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Finding the Fourth Proportional to 329,299.13, 454,433.55 and 178,396.13

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Solution

The fourth proportional to 329,299.13, 454,433.55 and 178,396.13 is: 246,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,299.13 : 454,433.55 = 178,396.13 : x
  2. Step 2: Convert to fraction form
    329,299.13/454,433.55 = 178,396.13/x
  3. Step 3: Cross multiply
    329,299.13x = 454,433.55 × 178,396.13
  4. Step 4: Simplify right side
    329,299.13x = 81,069,186,662.16
  5. Step 5: Solve for x
    x = 81,069,186,662.16/329,299.13
  6. Step 6: Final answer
    x = 246,187.07

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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.