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Finding the Fourth Proportional to 351,425.08, 527,189.09 and 111,458.94

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Solution

The fourth proportional to 351,425.08, 527,189.09 and 111,458.94 is: 167,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,425.08 : 527,189.09 = 111,458.94 : x
  2. Step 2: Convert to fraction form
    351,425.08/527,189.09 = 111,458.94/x
  3. Step 3: Cross multiply
    351,425.08x = 527,189.09 × 111,458.94
  4. Step 4: Simplify right side
    351,425.08x = 58,759,937,150.96
  5. Step 5: Solve for x
    x = 58,759,937,150.96/351,425.08
  6. Step 6: Final answer
    x = 167,204.73

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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.