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Finding the Fourth Proportional to 367,701.20, 550,968.60 and 242,896.40

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Solution

The fourth proportional to 367,701.20, 550,968.60 and 242,896.40 is: 363,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,701.20 : 550,968.60 = 242,896.40 : x
  2. Step 2: Convert to fraction form
    367,701.20/550,968.60 = 242,896.40/x
  3. Step 3: Cross multiply
    367,701.20x = 550,968.60 × 242,896.40
  4. Step 4: Simplify right side
    367,701.20x = 133,828,289,453.04
  5. Step 5: Solve for x
    x = 133,828,289,453.04/367,701.20
  6. Step 6: Final answer
    x = 363,959.35

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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.