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Finding the Fourth Proportional to 613,071.72, 919,596.84 and 275,873.71

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Solution

The fourth proportional to 613,071.72, 919,596.84 and 275,873.71 is: 413,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,071.72 : 919,596.84 = 275,873.71 : x
  2. Step 2: Convert to fraction form
    613,071.72/919,596.84 = 275,873.71/x
  3. Step 3: Cross multiply
    613,071.72x = 919,596.84 × 275,873.71
  4. Step 4: Simplify right side
    613,071.72x = 253,692,591,955.08
  5. Step 5: Solve for x
    x = 253,692,591,955.08/613,071.72
  6. Step 6: Final answer
    x = 413,805.74

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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.