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Finding the Fourth Proportional to 363,087.60, 544,631.40 and 262,777.20

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Solution

The fourth proportional to 363,087.60, 544,631.40 and 262,777.20 is: 394,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,087.60 : 544,631.40 = 262,777.20 : x
  2. Step 2: Convert to fraction form
    363,087.60/544,631.40 = 262,777.20/x
  3. Step 3: Cross multiply
    363,087.60x = 544,631.40 × 262,777.20
  4. Step 4: Simplify right side
    363,087.60x = 143,116,714,324.08
  5. Step 5: Solve for x
    x = 143,116,714,324.08/363,087.60
  6. Step 6: Final answer
    x = 394,165.80

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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.