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Finding the Fourth Proportional to 240,547.50, 331,736.28 and 206,545.32

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Solution

The fourth proportional to 240,547.50, 331,736.28 and 206,545.32 is: 284,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,547.50 : 331,736.28 = 206,545.32 : x
  2. Step 2: Convert to fraction form
    240,547.50/331,736.28 = 206,545.32/x
  3. Step 3: Cross multiply
    240,547.50x = 331,736.28 × 206,545.32
  4. Step 4: Simplify right side
    240,547.50x = 68,518,576,108.21
  5. Step 5: Solve for x
    x = 68,518,576,108.21/240,547.50
  6. Step 6: Final answer
    x = 284,844.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.