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Finding the Fourth Proportional to 343,798.80, 474,418.59 and 190,824.96

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Solution

The fourth proportional to 343,798.80, 474,418.59 and 190,824.96 is: 263,325.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,798.80 : 474,418.59 = 190,824.96 : x
  2. Step 2: Convert to fraction form
    343,798.80/474,418.59 = 190,824.96/x
  3. Step 3: Cross multiply
    343,798.80x = 474,418.59 × 190,824.96
  4. Step 4: Simplify right side
    343,798.80x = 90,530,909,523.48
  5. Step 5: Solve for x
    x = 90,530,909,523.48/343,798.80
  6. Step 6: Final answer
    x = 263,325.27

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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.