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Finding the Fourth Proportional to 291,987.54, 437,189.87 and 151,450.92

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Solution

The fourth proportional to 291,987.54, 437,189.87 and 151,450.92 is: 226,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,987.54 : 437,189.87 = 151,450.92 : x
  2. Step 2: Convert to fraction form
    291,987.54/437,189.87 = 151,450.92/x
  3. Step 3: Cross multiply
    291,987.54x = 437,189.87 × 151,450.92
  4. Step 4: Simplify right side
    291,987.54x = 66,212,808,404.81
  5. Step 5: Solve for x
    x = 66,212,808,404.81/291,987.54
  6. Step 6: Final answer
    x = 226,765.87

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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.