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Finding the Fourth Proportional to 329,364.59, 454,523.46 and 178,461.59

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Solution

The fourth proportional to 329,364.59, 454,523.46 and 178,461.59 is: 246,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,364.59 : 454,523.46 = 178,461.59 : x
  2. Step 2: Convert to fraction form
    329,364.59/454,523.46 = 178,461.59/x
  3. Step 3: Cross multiply
    329,364.59x = 454,523.46 × 178,461.59
  4. Step 4: Simplify right side
    329,364.59x = 81,114,979,363.90
  5. Step 5: Solve for x
    x = 81,114,979,363.90/329,364.59
  6. Step 6: Final answer
    x = 246,277.17

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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.