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Finding the Fourth Proportional to 608,404.54, 911,963.25 and 229,161.17

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Solution

The fourth proportional to 608,404.54, 911,963.25 and 229,161.17 is: 343,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,404.54 : 911,963.25 = 229,161.17 : x
  2. Step 2: Convert to fraction form
    608,404.54/911,963.25 = 229,161.17/x
  3. Step 3: Cross multiply
    608,404.54x = 911,963.25 × 229,161.17
  4. Step 4: Simplify right side
    608,404.54x = 208,986,565,367.00
  5. Step 5: Solve for x
    x = 208,986,565,367.00/608,404.54
  6. Step 6: Final answer
    x = 343,499.35

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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.