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Finding the Fourth Proportional to 432,964.44, 649,506.60 and 133,468.56

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Solution

The fourth proportional to 432,964.44, 649,506.60 and 133,468.56 is: 200,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,964.44 : 649,506.60 = 133,468.56 : x
  2. Step 2: Convert to fraction form
    432,964.44/649,506.60 = 133,468.56/x
  3. Step 3: Cross multiply
    432,964.44x = 649,506.60 × 133,468.56
  4. Step 4: Simplify right side
    432,964.44x = 86,688,710,612.50
  5. Step 5: Solve for x
    x = 86,688,710,612.50/432,964.44
  6. Step 6: Final answer
    x = 200,221.32

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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.