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Finding the Fourth Proportional to 432,958.92, 649,499.52 and 133,463.84

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Solution

The fourth proportional to 432,958.92, 649,499.52 and 133,463.84 is: 200,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,958.92 : 649,499.52 = 133,463.84 : x
  2. Step 2: Convert to fraction form
    432,958.92/649,499.52 = 133,463.84/x
  3. Step 3: Cross multiply
    432,958.92x = 649,499.52 × 133,463.84
  4. Step 4: Simplify right side
    432,958.92x = 86,684,700,017.36
  5. Step 5: Solve for x
    x = 86,684,700,017.36/432,958.92
  6. Step 6: Final answer
    x = 200,214.61

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1.5x scale

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.