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Finding the Fourth Proportional to 329,308.98, 454,455.26 and 186,065.74

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Solution

The fourth proportional to 329,308.98, 454,455.26 and 186,065.74 is: 256,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,308.98 : 454,455.26 = 186,065.74 : x
  2. Step 2: Convert to fraction form
    329,308.98/454,455.26 = 186,065.74/x
  3. Step 3: Cross multiply
    329,308.98x = 454,455.26 × 186,065.74
  4. Step 4: Simplify right side
    329,308.98x = 84,558,554,248.79
  5. Step 5: Solve for x
    x = 84,558,554,248.79/329,308.98
  6. Step 6: Final answer
    x = 256,775.73

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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.