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Finding the Fourth Proportional to 343,593.19, 474,200.68 and 198,398.60

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Solution

The fourth proportional to 343,593.19, 474,200.68 and 198,398.60 is: 273,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,593.19 : 474,200.68 = 198,398.60 : x
  2. Step 2: Convert to fraction form
    343,593.19/474,200.68 = 198,398.60/x
  3. Step 3: Cross multiply
    343,593.19x = 474,200.68 × 198,398.60
  4. Step 4: Simplify right side
    343,593.19x = 94,080,752,314.83
  5. Step 5: Solve for x
    x = 94,080,752,314.83/343,593.19
  6. Step 6: Final answer
    x = 273,814.37

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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.