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Finding the Fourth Proportional to 539,305.94, 808,932.63 and 202,320.33

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Solution

The fourth proportional to 539,305.94, 808,932.63 and 202,320.33 is: 303,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,305.94 : 808,932.63 = 202,320.33 : x
  2. Step 2: Convert to fraction form
    539,305.94/808,932.63 = 202,320.33/x
  3. Step 3: Cross multiply
    539,305.94x = 808,932.63 × 202,320.33
  4. Step 4: Simplify right side
    539,305.94x = 163,663,516,649.37
  5. Step 5: Solve for x
    x = 163,663,516,649.37/539,305.94
  6. Step 6: Final answer
    x = 303,470.64

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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.