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Finding the Fourth Proportional to 291,267.01, 401,922.86 and 162,195.74

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Solution

The fourth proportional to 291,267.01, 401,922.86 and 162,195.74 is: 223,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,267.01 : 401,922.86 = 162,195.74 : x
  2. Step 2: Convert to fraction form
    291,267.01/401,922.86 = 162,195.74/x
  3. Step 3: Cross multiply
    291,267.01x = 401,922.86 × 162,195.74
  4. Step 4: Simplify right side
    291,267.01x = 65,190,174,096.49
  5. Step 5: Solve for x
    x = 65,190,174,096.49/291,267.01
  6. Step 6: Final answer
    x = 223,815.85

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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.