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Finding the Fourth Proportional to 522,249.58, 720,924.87 and 352,713.34

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Solution

The fourth proportional to 522,249.58, 720,924.87 and 352,713.34 is: 486,893.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,249.58 : 720,924.87 = 352,713.34 : x
  2. Step 2: Convert to fraction form
    522,249.58/720,924.87 = 352,713.34/x
  3. Step 3: Cross multiply
    522,249.58x = 720,924.87 × 352,713.34
  4. Step 4: Simplify right side
    522,249.58x = 254,279,818,786.77
  5. Step 5: Solve for x
    x = 254,279,818,786.77/522,249.58
  6. Step 6: Final answer
    x = 486,893.29

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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.