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Finding the Fourth Proportional to 519,482.89, 779,246.61 and 204,008.14

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Solution

The fourth proportional to 519,482.89, 779,246.61 and 204,008.14 is: 306,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,482.89 : 779,246.61 = 204,008.14 : x
  2. Step 2: Convert to fraction form
    519,482.89/779,246.61 = 204,008.14/x
  3. Step 3: Cross multiply
    519,482.89x = 779,246.61 × 204,008.14
  4. Step 4: Simplify right side
    519,482.89x = 158,972,651,507.41
  5. Step 5: Solve for x
    x = 158,972,651,507.41/519,482.89
  6. Step 6: Final answer
    x = 306,020.96

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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.