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Finding the Fourth Proportional to 329,480.46, 454,678.11 and 186,235.47

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Solution

The fourth proportional to 329,480.46, 454,678.11 and 186,235.47 is: 257,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,480.46 : 454,678.11 = 186,235.47 : x
  2. Step 2: Convert to fraction form
    329,480.46/454,678.11 = 186,235.47/x
  3. Step 3: Cross multiply
    329,480.46x = 454,678.11 × 186,235.47
  4. Step 4: Simplify right side
    329,480.46x = 84,677,191,514.56
  5. Step 5: Solve for x
    x = 84,677,191,514.56/329,480.46
  6. Step 6: Final answer
    x = 257,002.16

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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.