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Finding the Fourth Proportional to 223,386.30, 335,079.45 and 200,576.70

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Solution

The fourth proportional to 223,386.30, 335,079.45 and 200,576.70 is: 300,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,386.30 : 335,079.45 = 200,576.70 : x
  2. Step 2: Convert to fraction form
    223,386.30/335,079.45 = 200,576.70/x
  3. Step 3: Cross multiply
    223,386.30x = 335,079.45 × 200,576.70
  4. Step 4: Simplify right side
    223,386.30x = 67,209,130,318.82
  5. Step 5: Solve for x
    x = 67,209,130,318.82/223,386.30
  6. Step 6: Final answer
    x = 300,865.05

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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.