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Finding the Fourth Proportional to 332,018, 497,731.13 and 121,606.73

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Solution

The fourth proportional to 332,018, 497,731.13 and 121,606.73 is: 182,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,018 : 497,731.13 = 121,606.73 : x
  2. Step 2: Convert to fraction form
    332,018/497,731.13 = 121,606.73/x
  3. Step 3: Cross multiply
    332,018x = 497,731.13 × 121,606.73
  4. Step 4: Simplify right side
    332,018x = 60,527,455,138.50
  5. Step 5: Solve for x
    x = 60,527,455,138.50/332,018
  6. Step 6: Final answer
    x = 182,301.73

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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.