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Finding the Fourth Proportional to 295,145.26, 407,298.58 and 167,820.85

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Solution

The fourth proportional to 295,145.26, 407,298.58 and 167,820.85 is: 231,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,145.26 : 407,298.58 = 167,820.85 : x
  2. Step 2: Convert to fraction form
    295,145.26/407,298.58 = 167,820.85/x
  3. Step 3: Cross multiply
    295,145.26x = 407,298.58 × 167,820.85
  4. Step 4: Simplify right side
    295,145.26x = 68,353,193,899.39
  5. Step 5: Solve for x
    x = 68,353,193,899.39/295,145.26
  6. Step 6: Final answer
    x = 231,591.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.