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Finding the Fourth Proportional to 358,204.32, 537,306.84 and 133,561.32

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Solution

The fourth proportional to 358,204.32, 537,306.84 and 133,561.32 is: 200,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,204.32 : 537,306.84 = 133,561.32 : x
  2. Step 2: Convert to fraction form
    358,204.32/537,306.84 = 133,561.32/x
  3. Step 3: Cross multiply
    358,204.32x = 537,306.84 × 133,561.32
  4. Step 4: Simplify right side
    358,204.32x = 71,763,410,795.43
  5. Step 5: Solve for x
    x = 71,763,410,795.43/358,204.32
  6. Step 6: Final answer
    x = 200,342.11

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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.