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Finding the Fourth Proportional to 358,576.40, 537,605.40 and 200,853.20

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Solution

The fourth proportional to 358,576.40, 537,605.40 and 200,853.20 is: 301,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,576.40 : 537,605.40 = 200,853.20 : x
  2. Step 2: Convert to fraction form
    358,576.40/537,605.40 = 200,853.20/x
  3. Step 3: Cross multiply
    358,576.40x = 537,605.40 × 200,853.20
  4. Step 4: Simplify right side
    358,576.40x = 107,979,764,927.28
  5. Step 5: Solve for x
    x = 107,979,764,927.28/358,576.40
  6. Step 6: Final answer
    x = 301,134.61

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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.