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Finding the Fourth Proportional to 403,808.54, 605,818.04 and 151,108.92

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Solution

The fourth proportional to 403,808.54, 605,818.04 and 151,108.92 is: 226,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,808.54 : 605,818.04 = 151,108.92 : x
  2. Step 2: Convert to fraction form
    403,808.54/605,818.04 = 151,108.92/x
  3. Step 3: Cross multiply
    403,808.54x = 605,818.04 × 151,108.92
  4. Step 4: Simplify right side
    403,808.54x = 91,544,508,985.37
  5. Step 5: Solve for x
    x = 91,544,508,985.37/403,808.54
  6. Step 6: Final answer
    x = 226,702.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.