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Finding the Fourth Proportional to 324,054.92, 446,954.28 and 237,987.30

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Solution

The fourth proportional to 324,054.92, 446,954.28 and 237,987.30 is: 328,245.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,054.92 : 446,954.28 = 237,987.30 : x
  2. Step 2: Convert to fraction form
    324,054.92/446,954.28 = 237,987.30/x
  3. Step 3: Cross multiply
    324,054.92x = 446,954.28 × 237,987.30
  4. Step 4: Simplify right side
    324,054.92x = 106,369,442,320.64
  5. Step 5: Solve for x
    x = 106,369,442,320.64/324,054.92
  6. Step 6: Final answer
    x = 328,245.11

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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.