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Finding the Fourth Proportional to 600,769.92, 900,159.76 and 422,405.52

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Solution

The fourth proportional to 600,769.92, 900,159.76 and 422,405.52 is: 632,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,769.92 : 900,159.76 = 422,405.52 : x
  2. Step 2: Convert to fraction form
    600,769.92/900,159.76 = 422,405.52/x
  3. Step 3: Cross multiply
    600,769.92x = 900,159.76 × 422,405.52
  4. Step 4: Simplify right side
    600,769.92x = 380,232,451,505.88
  5. Step 5: Solve for x
    x = 380,232,451,505.88/600,769.92
  6. Step 6: Final answer
    x = 632,908.60

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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.