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Finding the Fourth Proportional to 329,677.88, 454,955.47 and 178,775.00

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Solution

The fourth proportional to 329,677.88, 454,955.47 and 178,775.00 is: 246,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,677.88 : 454,955.47 = 178,775.00 : x
  2. Step 2: Convert to fraction form
    329,677.88/454,955.47 = 178,775.00/x
  3. Step 3: Cross multiply
    329,677.88x = 454,955.47 × 178,775.00
  4. Step 4: Simplify right side
    329,677.88x = 81,334,661,427.54
  5. Step 5: Solve for x
    x = 81,334,661,427.54/329,677.88
  6. Step 6: Final answer
    x = 246,709.49

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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.