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Finding the Fourth Proportional to 439,753.86, 606,873.87 and 248,763.42

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Solution

The fourth proportional to 439,753.86, 606,873.87 and 248,763.42 is: 343,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,753.86 : 606,873.87 = 248,763.42 : x
  2. Step 2: Convert to fraction form
    439,753.86/606,873.87 = 248,763.42/x
  3. Step 3: Cross multiply
    439,753.86x = 606,873.87 × 248,763.42
  4. Step 4: Simplify right side
    439,753.86x = 150,968,019,409.84
  5. Step 5: Solve for x
    x = 150,968,019,409.84/439,753.86
  6. Step 6: Final answer
    x = 343,301.18

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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.