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Finding the Fourth Proportional to 607,805.25, 911,746.76 and 233,828.25

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Solution

The fourth proportional to 607,805.25, 911,746.76 and 233,828.25 is: 350,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,805.25 : 911,746.76 = 233,828.25 : x
  2. Step 2: Convert to fraction form
    607,805.25/911,746.76 = 233,828.25/x
  3. Step 3: Cross multiply
    607,805.25x = 911,746.76 × 233,828.25
  4. Step 4: Simplify right side
    607,805.25x = 213,192,148,164.83
  5. Step 5: Solve for x
    x = 213,192,148,164.83/607,805.25
  6. Step 6: Final answer
    x = 350,757.33

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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.