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Finding the Fourth Proportional to 329,362.59, 454,520.70 and 178,459.59

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Solution

The fourth proportional to 329,362.59, 454,520.70 and 178,459.59 is: 246,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,362.59 : 454,520.70 = 178,459.59 : x
  2. Step 2: Convert to fraction form
    329,362.59/454,520.70 = 178,459.59/x
  3. Step 3: Cross multiply
    329,362.59x = 454,520.70 × 178,459.59
  4. Step 4: Simplify right side
    329,362.59x = 81,113,579,472.97
  5. Step 5: Solve for x
    x = 81,113,579,472.97/329,362.59
  6. Step 6: Final answer
    x = 246,274.41

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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.