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Finding the Fourth Proportional to 548,457.86, 822,789.74 and 248,959.49

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Solution

The fourth proportional to 548,457.86, 822,789.74 and 248,959.49 is: 373,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,457.86 : 822,789.74 = 248,959.49 : x
  2. Step 2: Convert to fraction form
    548,457.86/822,789.74 = 248,959.49/x
  3. Step 3: Cross multiply
    548,457.86x = 822,789.74 × 248,959.49
  4. Step 4: Simplify right side
    548,457.86x = 204,841,310,556.08
  5. Step 5: Solve for x
    x = 204,841,310,556.08/548,457.86
  6. Step 6: Final answer
    x = 373,485.96

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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.