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Finding the Fourth Proportional to 299,997.60, 450,514.80 and 160,029.60

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Solution

The fourth proportional to 299,997.60, 450,514.80 and 160,029.60 is: 240,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,997.60 : 450,514.80 = 160,029.60 : x
  2. Step 2: Convert to fraction form
    299,997.60/450,514.80 = 160,029.60/x
  3. Step 3: Cross multiply
    299,997.60x = 450,514.80 × 160,029.60
  4. Step 4: Simplify right side
    299,997.60x = 72,095,703,238.08
  5. Step 5: Solve for x
    x = 72,095,703,238.08/299,997.60
  6. Step 6: Final answer
    x = 240,320.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.