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Finding the Fourth Proportional to 613,323.53, 846,241.88 and 515,578.47

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Solution

The fourth proportional to 613,323.53, 846,241.88 and 515,578.47 is: 711,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,323.53 : 846,241.88 = 515,578.47 : x
  2. Step 2: Convert to fraction form
    613,323.53/846,241.88 = 515,578.47/x
  3. Step 3: Cross multiply
    613,323.53x = 846,241.88 × 515,578.47
  4. Step 4: Simplify right side
    613,323.53x = 436,304,096,244.27
  5. Step 5: Solve for x
    x = 436,304,096,244.27/613,323.53
  6. Step 6: Final answer
    x = 711,376.74

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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.