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Finding the Fourth Proportional to 444,919.89, 613,497.47 and 283,519.29

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Solution

The fourth proportional to 444,919.89, 613,497.47 and 283,519.29 is: 390,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,919.89 : 613,497.47 = 283,519.29 : x
  2. Step 2: Convert to fraction form
    444,919.89/613,497.47 = 283,519.29/x
  3. Step 3: Cross multiply
    444,919.89x = 613,497.47 × 283,519.29
  4. Step 4: Simplify right side
    444,919.89x = 173,938,365,693.60
  5. Step 5: Solve for x
    x = 173,938,365,693.60/444,919.89
  6. Step 6: Final answer
    x = 390,943.11

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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.