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Finding the Fourth Proportional to 332,775.54, 499,035.74 and 261,837.77

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Solution

The fourth proportional to 332,775.54, 499,035.74 and 261,837.77 is: 392,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,775.54 : 499,035.74 = 261,837.77 : x
  2. Step 2: Convert to fraction form
    332,775.54/499,035.74 = 261,837.77/x
  3. Step 3: Cross multiply
    332,775.54x = 499,035.74 × 261,837.77
  4. Step 4: Simplify right side
    332,775.54x = 130,666,401,507.53
  5. Step 5: Solve for x
    x = 130,666,401,507.53/332,775.54
  6. Step 6: Final answer
    x = 392,656.27

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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.