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Finding the Fourth Proportional to 326,855.10, 451,071.64 and 181,663.76

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Solution

The fourth proportional to 326,855.10, 451,071.64 and 181,663.76 is: 250,702.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,855.10 : 451,071.64 = 181,663.76 : x
  2. Step 2: Convert to fraction form
    326,855.10/451,071.64 = 181,663.76/x
  3. Step 3: Cross multiply
    326,855.10x = 451,071.64 × 181,663.76
  4. Step 4: Simplify right side
    326,855.10x = 81,943,370,484.67
  5. Step 5: Solve for x
    x = 81,943,370,484.67/326,855.10
  6. Step 6: Final answer
    x = 250,702.44

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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.