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Finding the Fourth Proportional to 457,079.84, 685,879 and 246,713.12

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Solution

The fourth proportional to 457,079.84, 685,879 and 246,713.12 is: 370,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,079.84 : 685,879 = 246,713.12 : x
  2. Step 2: Convert to fraction form
    457,079.84/685,879 = 246,713.12/x
  3. Step 3: Cross multiply
    457,079.84x = 685,879 × 246,713.12
  4. Step 4: Simplify right side
    457,079.84x = 169,215,348,032.48
  5. Step 5: Solve for x
    x = 169,215,348,032.48/457,079.84
  6. Step 6: Final answer
    x = 370,209.61

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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.