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Finding the Fourth Proportional to 329,489.46, 454,690.53 and 186,244.47

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Solution

The fourth proportional to 329,489.46, 454,690.53 and 186,244.47 is: 257,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,489.46 : 454,690.53 = 186,244.47 : x
  2. Step 2: Convert to fraction form
    329,489.46/454,690.53 = 186,244.47/x
  3. Step 3: Cross multiply
    329,489.46x = 454,690.53 × 186,244.47
  4. Step 4: Simplify right side
    329,489.46x = 84,683,596,773.87
  5. Step 5: Solve for x
    x = 84,683,596,773.87/329,489.46
  6. Step 6: Final answer
    x = 257,014.58

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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.