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Finding the Fourth Proportional to 329,317.50, 454,452.27 and 186,074.49

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Solution

The fourth proportional to 329,317.50, 454,452.27 and 186,074.49 is: 256,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,317.50 : 454,452.27 = 186,074.49 : x
  2. Step 2: Convert to fraction form
    329,317.50/454,452.27 = 186,074.49/x
  3. Step 3: Cross multiply
    329,317.50x = 454,452.27 × 186,074.49
  4. Step 4: Simplify right side
    329,317.50x = 84,561,974,369.59
  5. Step 5: Solve for x
    x = 84,561,974,369.59/329,317.50
  6. Step 6: Final answer
    x = 256,779.47

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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.