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Finding the Fourth Proportional to 578,590.80, 867,732.60 and 179,230.80

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Solution

The fourth proportional to 578,590.80, 867,732.60 and 179,230.80 is: 268,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,590.80 : 867,732.60 = 179,230.80 : x
  2. Step 2: Convert to fraction form
    578,590.80/867,732.60 = 179,230.80/x
  3. Step 3: Cross multiply
    578,590.80x = 867,732.60 × 179,230.80
  4. Step 4: Simplify right side
    578,590.80x = 155,524,408,084.08
  5. Step 5: Solve for x
    x = 155,524,408,084.08/578,590.80
  6. Step 6: Final answer
    x = 268,798.62

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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.