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Finding the Fourth Proportional to 437,884.20, 656,826.30 and 367,025.40

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Solution

The fourth proportional to 437,884.20, 656,826.30 and 367,025.40 is: 550,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,884.20 : 656,826.30 = 367,025.40 : x
  2. Step 2: Convert to fraction form
    437,884.20/656,826.30 = 367,025.40/x
  3. Step 3: Cross multiply
    437,884.20x = 656,826.30 × 367,025.40
  4. Step 4: Simplify right side
    437,884.20x = 241,071,935,488.02
  5. Step 5: Solve for x
    x = 241,071,935,488.02/437,884.20
  6. Step 6: Final answer
    x = 550,538.10

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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.