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Finding the Fourth Proportional to 605,879.46, 908,816.40 and 156,562.14

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Solution

The fourth proportional to 605,879.46, 908,816.40 and 156,562.14 is: 234,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,879.46 : 908,816.40 = 156,562.14 : x
  2. Step 2: Convert to fraction form
    605,879.46/908,816.40 = 156,562.14/x
  3. Step 3: Cross multiply
    605,879.46x = 908,816.40 × 156,562.14
  4. Step 4: Simplify right side
    605,879.46x = 142,286,240,451.10
  5. Step 5: Solve for x
    x = 142,286,240,451.10/605,879.46
  6. Step 6: Final answer
    x = 234,842.49

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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.