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Finding the Fourth Proportional to 263,607.30, 395,410.95 and 251,360.10

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Solution

The fourth proportional to 263,607.30, 395,410.95 and 251,360.10 is: 377,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,607.30 : 395,410.95 = 251,360.10 : x
  2. Step 2: Convert to fraction form
    263,607.30/395,410.95 = 251,360.10/x
  3. Step 3: Cross multiply
    263,607.30x = 395,410.95 × 251,360.10
  4. Step 4: Simplify right side
    263,607.30x = 99,390,535,933.10
  5. Step 5: Solve for x
    x = 99,390,535,933.10/263,607.30
  6. Step 6: Final answer
    x = 377,040.15

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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.