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Finding the Fourth Proportional to 324,410.67, 447,621.80 and 181,148.67

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Solution

The fourth proportional to 324,410.67, 447,621.80 and 181,148.67 is: 249,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,410.67 : 447,621.80 = 181,148.67 : x
  2. Step 2: Convert to fraction form
    324,410.67/447,621.80 = 181,148.67/x
  3. Step 3: Cross multiply
    324,410.67x = 447,621.80 × 181,148.67
  4. Step 4: Simplify right side
    324,410.67x = 81,086,092,827.26
  5. Step 5: Solve for x
    x = 81,086,092,827.26/324,410.67
  6. Step 6: Final answer
    x = 249,948.91

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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.