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Finding the Fourth Proportional to 496,274.80, 744,412.20 and 442,361.20

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Solution

The fourth proportional to 496,274.80, 744,412.20 and 442,361.20 is: 663,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,274.80 : 744,412.20 = 442,361.20 : x
  2. Step 2: Convert to fraction form
    496,274.80/744,412.20 = 442,361.20/x
  3. Step 3: Cross multiply
    496,274.80x = 744,412.20 × 442,361.20
  4. Step 4: Simplify right side
    496,274.80x = 329,299,074,086.64
  5. Step 5: Solve for x
    x = 329,299,074,086.64/496,274.80
  6. Step 6: Final answer
    x = 663,541.80

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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.