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Finding the Fourth Proportional to 439,652.32, 606,716.16 and 248,703.04

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Solution

The fourth proportional to 439,652.32, 606,716.16 and 248,703.04 is: 343,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,652.32 : 606,716.16 = 248,703.04 : x
  2. Step 2: Convert to fraction form
    439,652.32/606,716.16 = 248,703.04/x
  3. Step 3: Cross multiply
    439,652.32x = 606,716.16 × 248,703.04
  4. Step 4: Simplify right side
    439,652.32x = 150,892,153,409.13
  5. Step 5: Solve for x
    x = 150,892,153,409.13/439,652.32
  6. Step 6: Final answer
    x = 343,207.91

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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.