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Finding the Fourth Proportional to 315,481.08, 472,970.34 and 182,210.52

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Solution

The fourth proportional to 315,481.08, 472,970.34 and 182,210.52 is: 273,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,481.08 : 472,970.34 = 182,210.52 : x
  2. Step 2: Convert to fraction form
    315,481.08/472,970.34 = 182,210.52/x
  3. Step 3: Cross multiply
    315,481.08x = 472,970.34 × 182,210.52
  4. Step 4: Simplify right side
    315,481.08x = 86,180,171,595.98
  5. Step 5: Solve for x
    x = 86,180,171,595.98/315,481.08
  6. Step 6: Final answer
    x = 273,170.65

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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.