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Finding the Fourth Proportional to 516,534.72, 774,876 and 250,076.48

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Solution

The fourth proportional to 516,534.72, 774,876 and 250,076.48 is: 375,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,534.72 : 774,876 = 250,076.48 : x
  2. Step 2: Convert to fraction form
    516,534.72/774,876 = 250,076.48/x
  3. Step 3: Cross multiply
    516,534.72x = 774,876 × 250,076.48
  4. Step 4: Simplify right side
    516,534.72x = 193,778,262,516.48
  5. Step 5: Solve for x
    x = 193,778,262,516.48/516,534.72
  6. Step 6: Final answer
    x = 375,150.51

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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.