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Finding the Fourth Proportional to 448,086.40, 672,129.60 and 337,494.40

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Solution

The fourth proportional to 448,086.40, 672,129.60 and 337,494.40 is: 506,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,086.40 : 672,129.60 = 337,494.40 : x
  2. Step 2: Convert to fraction form
    448,086.40/672,129.60 = 337,494.40/x
  3. Step 3: Cross multiply
    448,086.40x = 672,129.60 × 337,494.40
  4. Step 4: Simplify right side
    448,086.40x = 226,839,976,074.24
  5. Step 5: Solve for x
    x = 226,839,976,074.24/448,086.40
  6. Step 6: Final answer
    x = 506,241.60

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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.