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Finding the Fourth Proportional to 251,406.20, 377,109.30 and 241,729.40

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Solution

The fourth proportional to 251,406.20, 377,109.30 and 241,729.40 is: 362,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,406.20 : 377,109.30 = 241,729.40 : x
  2. Step 2: Convert to fraction form
    251,406.20/377,109.30 = 241,729.40/x
  3. Step 3: Cross multiply
    251,406.20x = 377,109.30 × 241,729.40
  4. Step 4: Simplify right side
    251,406.20x = 91,158,404,823.42
  5. Step 5: Solve for x
    x = 91,158,404,823.42/251,406.20
  6. Step 6: Final answer
    x = 362,594.10

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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.