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Finding the Fourth Proportional to 557,398.80, 836,098.20 and 401,101.20

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Solution

The fourth proportional to 557,398.80, 836,098.20 and 401,101.20 is: 601,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,398.80 : 836,098.20 = 401,101.20 : x
  2. Step 2: Convert to fraction form
    557,398.80/836,098.20 = 401,101.20/x
  3. Step 3: Cross multiply
    557,398.80x = 836,098.20 × 401,101.20
  4. Step 4: Simplify right side
    557,398.80x = 335,359,991,337.84
  5. Step 5: Solve for x
    x = 335,359,991,337.84/557,398.80
  6. Step 6: Final answer
    x = 601,651.80

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Similar ratio
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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.