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Finding the Fourth Proportional to 269,607.78, 404,761.59 and 207,322.02

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Solution

The fourth proportional to 269,607.78, 404,761.59 and 207,322.02 is: 311,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,607.78 : 404,761.59 = 207,322.02 : x
  2. Step 2: Convert to fraction form
    269,607.78/404,761.59 = 207,322.02/x
  3. Step 3: Cross multiply
    269,607.78x = 404,761.59 × 207,322.02
  4. Step 4: Simplify right side
    269,607.78x = 83,915,990,457.21
  5. Step 5: Solve for x
    x = 83,915,990,457.21/269,607.78
  6. Step 6: Final answer
    x = 311,252.11

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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.