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Finding the Fourth Proportional to 455,347.78, 682,944.89 and 167,099.81

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Solution

The fourth proportional to 455,347.78, 682,944.89 and 167,099.81 is: 250,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,347.78 : 682,944.89 = 167,099.81 : x
  2. Step 2: Convert to fraction form
    455,347.78/682,944.89 = 167,099.81/x
  3. Step 3: Cross multiply
    455,347.78x = 682,944.89 × 167,099.81
  4. Step 4: Simplify right side
    455,347.78x = 114,119,957,109.25
  5. Step 5: Solve for x
    x = 114,119,957,109.25/455,347.78
  6. Step 6: Final answer
    x = 250,621.53

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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.