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Finding the Fourth Proportional to 439,093.50, 605,941.08 and 248,102.76

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Solution

The fourth proportional to 439,093.50, 605,941.08 and 248,102.76 is: 342,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,093.50 : 605,941.08 = 248,102.76 : x
  2. Step 2: Convert to fraction form
    439,093.50/605,941.08 = 248,102.76/x
  3. Step 3: Cross multiply
    439,093.50x = 605,941.08 × 248,102.76
  4. Step 4: Simplify right side
    439,093.50x = 150,335,654,345.38
  5. Step 5: Solve for x
    x = 150,335,654,345.38/439,093.50
  6. Step 6: Final answer
    x = 342,377.32

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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.