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Finding the Fourth Proportional to 329,627.46, 454,883.71 and 186,388.08

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Solution

The fourth proportional to 329,627.46, 454,883.71 and 186,388.08 is: 257,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,627.46 : 454,883.71 = 186,388.08 : x
  2. Step 2: Convert to fraction form
    329,627.46/454,883.71 = 186,388.08/x
  3. Step 3: Cross multiply
    329,627.46x = 454,883.71 × 186,388.08
  4. Step 4: Simplify right side
    329,627.46x = 84,784,901,330.18
  5. Step 5: Solve for x
    x = 84,784,901,330.18/329,627.46
  6. Step 6: Final answer
    x = 257,214.32

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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.