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Finding the Fourth Proportional to 433,232.16, 649,857.15 and 133,712.94

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Solution

The fourth proportional to 433,232.16, 649,857.15 and 133,712.94 is: 200,572.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,232.16 : 649,857.15 = 133,712.94 : x
  2. Step 2: Convert to fraction form
    433,232.16/649,857.15 = 133,712.94/x
  3. Step 3: Cross multiply
    433,232.16x = 649,857.15 × 133,712.94
  4. Step 4: Simplify right side
    433,232.16x = 86,894,310,106.52
  5. Step 5: Solve for x
    x = 86,894,310,106.52/433,232.16
  6. Step 6: Final answer
    x = 200,572.16

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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.