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Finding the Fourth Proportional to 499,886.73, 749,686.82 and 162,956.79

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Solution

The fourth proportional to 499,886.73, 749,686.82 and 162,956.79 is: 244,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,886.73 : 749,686.82 = 162,956.79 : x
  2. Step 2: Convert to fraction form
    499,886.73/749,686.82 = 162,956.79/x
  3. Step 3: Cross multiply
    499,886.73x = 749,686.82 × 162,956.79
  4. Step 4: Simplify right side
    499,886.73x = 122,166,556,877.72
  5. Step 5: Solve for x
    x = 122,166,556,877.72/499,886.73
  6. Step 6: Final answer
    x = 244,388.48

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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.