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Finding the Fourth Proportional to 326,870.66, 451,057.25 and 183,654.56

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Solution

The fourth proportional to 326,870.66, 451,057.25 and 183,654.56 is: 253,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,870.66 : 451,057.25 = 183,654.56 : x
  2. Step 2: Convert to fraction form
    326,870.66/451,057.25 = 183,654.56/x
  3. Step 3: Cross multiply
    326,870.66x = 451,057.25 × 183,654.56
  4. Step 4: Simplify right side
    326,870.66x = 82,838,717,610.00
  5. Step 5: Solve for x
    x = 82,838,717,610.00/326,870.66
  6. Step 6: Final answer
    x = 253,429.66

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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.