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Finding the Fourth Proportional to 511,879.35, 767,818.95 and 174,922.92

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Solution

The fourth proportional to 511,879.35, 767,818.95 and 174,922.92 is: 262,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,879.35 : 767,818.95 = 174,922.92 : x
  2. Step 2: Convert to fraction form
    511,879.35/767,818.95 = 174,922.92/x
  3. Step 3: Cross multiply
    511,879.35x = 767,818.95 × 174,922.92
  4. Step 4: Simplify right side
    511,879.35x = 134,309,132,765.33
  5. Step 5: Solve for x
    x = 134,309,132,765.33/511,879.35
  6. Step 6: Final answer
    x = 262,384.35

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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.