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Finding the Fourth Proportional to 539,182.92, 808,878.06 and 206,733

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Solution

The fourth proportional to 539,182.92, 808,878.06 and 206,733 is: 310,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,182.92 : 808,878.06 = 206,733 : x
  2. Step 2: Convert to fraction form
    539,182.92/808,878.06 = 206,733/x
  3. Step 3: Cross multiply
    539,182.92x = 808,878.06 × 206,733
  4. Step 4: Simplify right side
    539,182.92x = 167,221,787,977.98
  5. Step 5: Solve for x
    x = 167,221,787,977.98/539,182.92
  6. Step 6: Final answer
    x = 310,139.25

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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.