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Finding the Fourth Proportional to 329,649.95, 454,919.69 and 178,746.95

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Solution

The fourth proportional to 329,649.95, 454,919.69 and 178,746.95 is: 246,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,649.95 : 454,919.69 = 178,746.95 : x
  2. Step 2: Convert to fraction form
    329,649.95/454,919.69 = 178,746.95/x
  3. Step 3: Cross multiply
    329,649.95x = 454,919.69 × 178,746.95
  4. Step 4: Simplify right side
    329,649.95x = 81,315,508,666.61
  5. Step 5: Solve for x
    x = 81,315,508,666.61/329,649.95
  6. Step 6: Final answer
    x = 246,672.29

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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.