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Finding the Fourth Proportional to 301,065.48, 451,622.86 and 151,228.71

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Solution

The fourth proportional to 301,065.48, 451,622.86 and 151,228.71 is: 226,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,065.48 : 451,622.86 = 151,228.71 : x
  2. Step 2: Convert to fraction form
    301,065.48/451,622.86 = 151,228.71/x
  3. Step 3: Cross multiply
    301,065.48x = 451,622.86 × 151,228.71
  4. Step 4: Simplify right side
    301,065.48x = 68,298,342,146.24
  5. Step 5: Solve for x
    x = 68,298,342,146.24/301,065.48
  6. Step 6: Final answer
    x = 226,855.44

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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.