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Finding the Fourth Proportional to 539,038.65, 808,382.97 and 179,112.87

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Solution

The fourth proportional to 539,038.65, 808,382.97 and 179,112.87 is: 268,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,038.65 : 808,382.97 = 179,112.87 : x
  2. Step 2: Convert to fraction form
    539,038.65/808,382.97 = 179,112.87/x
  3. Step 3: Cross multiply
    539,038.65x = 808,382.97 × 179,112.87
  4. Step 4: Simplify right side
    539,038.65x = 144,791,793,815.82
  5. Step 5: Solve for x
    x = 144,791,793,815.82/539,038.65
  6. Step 6: Final answer
    x = 268,611.15

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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.