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Finding the Fourth Proportional to 331,510.40, 497,483.40 and 181,855.52

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Solution

The fourth proportional to 331,510.40, 497,483.40 and 181,855.52 is: 272,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,510.40 : 497,483.40 = 181,855.52 : x
  2. Step 2: Convert to fraction form
    331,510.40/497,483.40 = 181,855.52/x
  3. Step 3: Cross multiply
    331,510.40x = 497,483.40 × 181,855.52
  4. Step 4: Simplify right side
    331,510.40x = 90,470,102,398.37
  5. Step 5: Solve for x
    x = 90,470,102,398.37/331,510.40
  6. Step 6: Final answer
    x = 272,902.76

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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.