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Finding the Fourth Proportional to 539,174.92, 808,866.06 and 206,725

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Solution

The fourth proportional to 539,174.92, 808,866.06 and 206,725 is: 310,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,174.92 : 808,866.06 = 206,725 : x
  2. Step 2: Convert to fraction form
    539,174.92/808,866.06 = 206,725/x
  3. Step 3: Cross multiply
    539,174.92x = 808,866.06 × 206,725
  4. Step 4: Simplify right side
    539,174.92x = 167,212,836,253.50
  5. Step 5: Solve for x
    x = 167,212,836,253.50/539,174.92
  6. Step 6: Final answer
    x = 310,127.25

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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.