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Finding the Fourth Proportional to 291,552.62, 437,456.50 and 102,149.30

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Solution

The fourth proportional to 291,552.62, 437,456.50 and 102,149.30 is: 153,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,552.62 : 437,456.50 = 102,149.30 : x
  2. Step 2: Convert to fraction form
    291,552.62/437,456.50 = 102,149.30/x
  3. Step 3: Cross multiply
    291,552.62x = 437,456.50 × 102,149.30
  4. Step 4: Simplify right side
    291,552.62x = 44,685,876,093.72
  5. Step 5: Solve for x
    x = 44,685,876,093.72/291,552.62
  6. Step 6: Final answer
    x = 153,268.65

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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.