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Finding the Fourth Proportional to 329,045.86, 454,057.95 and 185,818.42

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Solution

The fourth proportional to 329,045.86, 454,057.95 and 185,818.42 is: 256,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,045.86 : 454,057.95 = 185,818.42 : x
  2. Step 2: Convert to fraction form
    329,045.86/454,057.95 = 185,818.42/x
  3. Step 3: Cross multiply
    329,045.86x = 454,057.95 × 185,818.42
  4. Step 4: Simplify right side
    329,045.86x = 84,372,330,857.44
  5. Step 5: Solve for x
    x = 84,372,330,857.44/329,045.86
  6. Step 6: Final answer
    x = 256,415.11

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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.