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Finding the Fourth Proportional to 405,880.98, 608,825.58 and 181,252.86

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Solution

The fourth proportional to 405,880.98, 608,825.58 and 181,252.86 is: 271,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,880.98 : 608,825.58 = 181,252.86 : x
  2. Step 2: Convert to fraction form
    405,880.98/608,825.58 = 181,252.86/x
  3. Step 3: Cross multiply
    405,880.98x = 608,825.58 × 181,252.86
  4. Step 4: Simplify right side
    405,880.98x = 110,351,377,616.16
  5. Step 5: Solve for x
    x = 110,351,377,616.16/405,880.98
  6. Step 6: Final answer
    x = 271,881.13

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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.