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Finding the Fourth Proportional to 405,495.52, 608,204.40 and 124,937.44

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Solution

The fourth proportional to 405,495.52, 608,204.40 and 124,937.44 is: 187,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,495.52 : 608,204.40 = 124,937.44 : x
  2. Step 2: Convert to fraction form
    405,495.52/608,204.40 = 124,937.44/x
  3. Step 3: Cross multiply
    405,495.52x = 608,204.40 × 124,937.44
  4. Step 4: Simplify right side
    405,495.52x = 75,987,500,732.74
  5. Step 5: Solve for x
    x = 75,987,500,732.74/405,495.52
  6. Step 6: Final answer
    x = 187,394.18

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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.