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Finding the Fourth Proportional to 608,439.60, 914,214.60 and 540,010.80

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Solution

The fourth proportional to 608,439.60, 914,214.60 and 540,010.80 is: 811,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,439.60 : 914,214.60 = 540,010.80 : x
  2. Step 2: Convert to fraction form
    608,439.60/914,214.60 = 540,010.80/x
  3. Step 3: Cross multiply
    608,439.60x = 914,214.60 × 540,010.80
  4. Step 4: Simplify right side
    608,439.60x = 493,685,757,517.68
  5. Step 5: Solve for x
    x = 493,685,757,517.68/608,439.60
  6. Step 6: Final answer
    x = 811,396.49

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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.