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Finding the Fourth Proportional to 600,767.92, 900,156.76 and 422,403.52

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Solution

The fourth proportional to 600,767.92, 900,156.76 and 422,403.52 is: 632,905.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,767.92 : 900,156.76 = 422,403.52 : x
  2. Step 2: Convert to fraction form
    600,767.92/900,156.76 = 422,403.52/x
  3. Step 3: Cross multiply
    600,767.92x = 900,156.76 × 422,403.52
  4. Step 4: Simplify right side
    600,767.92x = 380,229,383,975.80
  5. Step 5: Solve for x
    x = 380,229,383,975.80/600,767.92
  6. Step 6: Final answer
    x = 632,905.61

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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.