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Finding the Fourth Proportional to 329,437.17, 454,623.23 and 178,534.17

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Solution

The fourth proportional to 329,437.17, 454,623.23 and 178,534.17 is: 246,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,437.17 : 454,623.23 = 178,534.17 : x
  2. Step 2: Convert to fraction form
    329,437.17/454,623.23 = 178,534.17/x
  3. Step 3: Cross multiply
    329,437.17x = 454,623.23 × 178,534.17
  4. Step 4: Simplify right side
    329,437.17x = 81,165,780,138.10
  5. Step 5: Solve for x
    x = 81,165,780,138.10/329,437.17
  6. Step 6: Final answer
    x = 246,377.12

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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.