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Finding the Fourth Proportional to 433,087.47, 649,743.32 and 133,561.44

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Solution

The fourth proportional to 433,087.47, 649,743.32 and 133,561.44 is: 200,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,087.47 : 649,743.32 = 133,561.44 : x
  2. Step 2: Convert to fraction form
    433,087.47/649,743.32 = 133,561.44/x
  3. Step 3: Cross multiply
    433,087.47x = 649,743.32 × 133,561.44
  4. Step 4: Simplify right side
    433,087.47x = 86,780,653,783.48
  5. Step 5: Solve for x
    x = 86,780,653,783.48/433,087.47
  6. Step 6: Final answer
    x = 200,376.74

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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.