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Finding the Fourth Proportional to 329,172.61, 454,295.18 and 185,941.88

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Solution

The fourth proportional to 329,172.61, 454,295.18 and 185,941.88 is: 256,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,172.61 : 454,295.18 = 185,941.88 : x
  2. Step 2: Convert to fraction form
    329,172.61/454,295.18 = 185,941.88/x
  3. Step 3: Cross multiply
    329,172.61x = 454,295.18 × 185,941.88
  4. Step 4: Simplify right side
    329,172.61x = 84,472,499,741.12
  5. Step 5: Solve for x
    x = 84,472,499,741.12/329,172.61
  6. Step 6: Final answer
    x = 256,620.68

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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.