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Finding the Fourth Proportional to 608,648.22, 912,793.88 and 229,295.25

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Solution

The fourth proportional to 608,648.22, 912,793.88 and 229,295.25 is: 343,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,648.22 : 912,793.88 = 229,295.25 : x
  2. Step 2: Convert to fraction form
    608,648.22/912,793.88 = 229,295.25/x
  3. Step 3: Cross multiply
    608,648.22x = 912,793.88 × 229,295.25
  4. Step 4: Simplify right side
    608,648.22x = 209,299,299,766.59
  5. Step 5: Solve for x
    x = 209,299,299,766.59/608,648.22
  6. Step 6: Final answer
    x = 343,875.65

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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.