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Finding the Fourth Proportional to 324,873.33, 448,145.20 and 188,892.25

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Solution

The fourth proportional to 324,873.33, 448,145.20 and 188,892.25 is: 260,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,873.33 : 448,145.20 = 188,892.25 : x
  2. Step 2: Convert to fraction form
    324,873.33/448,145.20 = 188,892.25/x
  3. Step 3: Cross multiply
    324,873.33x = 448,145.20 × 188,892.25
  4. Step 4: Simplify right side
    324,873.33x = 84,651,154,270.45
  5. Step 5: Solve for x
    x = 84,651,154,270.45/324,873.33
  6. Step 6: Final answer
    x = 260,566.65

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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.