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Finding the Fourth Proportional to 329,314.35, 454,447.90 and 186,071.31

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Solution

The fourth proportional to 329,314.35, 454,447.90 and 186,071.31 is: 256,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,314.35 : 454,447.90 = 186,071.31 : x
  2. Step 2: Convert to fraction form
    329,314.35/454,447.90 = 186,071.31/x
  3. Step 3: Cross multiply
    329,314.35x = 454,447.90 × 186,071.31
  4. Step 4: Simplify right side
    329,314.35x = 84,559,716,079.75
  5. Step 5: Solve for x
    x = 84,559,716,079.75/329,314.35
  6. Step 6: Final answer
    x = 256,775.07

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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.