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Finding the Fourth Proportional to 539,174.17, 808,864.94 and 206,724.25

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Solution

The fourth proportional to 539,174.17, 808,864.94 and 206,724.25 is: 310,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,174.17 : 808,864.94 = 206,724.25 : x
  2. Step 2: Convert to fraction form
    539,174.17/808,864.94 = 206,724.25/x
  3. Step 3: Cross multiply
    539,174.17x = 808,864.94 × 206,724.25
  4. Step 4: Simplify right side
    539,174.17x = 167,211,998,072.80
  5. Step 5: Solve for x
    x = 167,211,998,072.80/539,174.17
  6. Step 6: Final answer
    x = 310,126.13

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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.