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Finding the Fourth Proportional to 324,228.51, 447,442.91 and 203,374.89

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Solution

The fourth proportional to 324,228.51, 447,442.91 and 203,374.89 is: 280,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,228.51 : 447,442.91 = 203,374.89 : x
  2. Step 2: Convert to fraction form
    324,228.51/447,442.91 = 203,374.89/x
  3. Step 3: Cross multiply
    324,228.51x = 447,442.91 × 203,374.89
  4. Step 4: Simplify right side
    324,228.51x = 90,998,651,585.66
  5. Step 5: Solve for x
    x = 90,998,651,585.66/324,228.51
  6. Step 6: Final answer
    x = 280,662.09

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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.