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Finding the Fourth Proportional to 324,649.60, 448,060.94 and 186,825.69

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Solution

The fourth proportional to 324,649.60, 448,060.94 and 186,825.69 is: 257,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,649.60 : 448,060.94 = 186,825.69 : x
  2. Step 2: Convert to fraction form
    324,649.60/448,060.94 = 186,825.69/x
  3. Step 3: Cross multiply
    324,649.60x = 448,060.94 × 186,825.69
  4. Step 4: Simplify right side
    324,649.60x = 83,709,291,103.12
  5. Step 5: Solve for x
    x = 83,709,291,103.12/324,649.60
  6. Step 6: Final answer
    x = 257,845.05

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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.