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Finding the Fourth Proportional to 499,775.52, 749,662.36 and 162,815.77

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Solution

The fourth proportional to 499,775.52, 749,662.36 and 162,815.77 is: 244,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,775.52 : 749,662.36 = 162,815.77 : x
  2. Step 2: Convert to fraction form
    499,775.52/749,662.36 = 162,815.77/x
  3. Step 3: Cross multiply
    499,775.52x = 749,662.36 × 162,815.77
  4. Step 4: Simplify right side
    499,775.52x = 122,056,854,383.42
  5. Step 5: Solve for x
    x = 122,056,854,383.42/499,775.52
  6. Step 6: Final answer
    x = 244,223.36

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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.