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Finding the Fourth Proportional to 574,498.36, 862,141.32 and 200,521.36

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Solution

The fourth proportional to 574,498.36, 862,141.32 and 200,521.36 is: 300,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,498.36 : 862,141.32 = 200,521.36 : x
  2. Step 2: Convert to fraction form
    574,498.36/862,141.32 = 200,521.36/x
  3. Step 3: Cross multiply
    574,498.36x = 862,141.32 × 200,521.36
  4. Step 4: Simplify right side
    574,498.36x = 172,877,749,998.60
  5. Step 5: Solve for x
    x = 172,877,749,998.60/574,498.36
  6. Step 6: Final answer
    x = 300,919.48

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1.5x scale

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.