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Finding the Fourth Proportional to 360,536.62, 497,538.30 and 199,388.74

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Solution

The fourth proportional to 360,536.62, 497,538.30 and 199,388.74 is: 275,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,536.62 : 497,538.30 = 199,388.74 : x
  2. Step 2: Convert to fraction form
    360,536.62/497,538.30 = 199,388.74/x
  3. Step 3: Cross multiply
    360,536.62x = 497,538.30 × 199,388.74
  4. Step 4: Simplify right side
    360,536.62x = 99,203,534,738.74
  5. Step 5: Solve for x
    x = 99,203,534,738.74/360,536.62
  6. Step 6: Final answer
    x = 275,155.22

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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.