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Finding the Fourth Proportional to 329,602.91, 454,860.97 and 186,384.38

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Solution

The fourth proportional to 329,602.91, 454,860.97 and 186,384.38 is: 257,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,602.91 : 454,860.97 = 186,384.38 : x
  2. Step 2: Convert to fraction form
    329,602.91/454,860.97 = 186,384.38/x
  3. Step 3: Cross multiply
    329,602.91x = 454,860.97 × 186,384.38
  4. Step 4: Simplify right side
    329,602.91x = 84,778,977,139.38
  5. Step 5: Solve for x
    x = 84,778,977,139.38/329,602.91
  6. Step 6: Final answer
    x = 257,215.50

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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.