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Finding the Fourth Proportional to 613,365.88, 919,187.36 and 522,940.94

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Solution

The fourth proportional to 613,365.88, 919,187.36 and 522,940.94 is: 783,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,365.88 : 919,187.36 = 522,940.94 : x
  2. Step 2: Convert to fraction form
    613,365.88/919,187.36 = 522,940.94/x
  3. Step 3: Cross multiply
    613,365.88x = 919,187.36 × 522,940.94
  4. Step 4: Simplify right side
    613,365.88x = 480,680,702,074.52
  5. Step 5: Solve for x
    x = 480,680,702,074.52/613,365.88
  6. Step 6: Final answer
    x = 783,676.95

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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.