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Finding the Fourth Proportional to 484,584.66, 668,726.86 and 269,720.11

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Solution

The fourth proportional to 484,584.66, 668,726.86 and 269,720.11 is: 372,213.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,584.66 : 668,726.86 = 269,720.11 : x
  2. Step 2: Convert to fraction form
    484,584.66/668,726.86 = 269,720.11/x
  3. Step 3: Cross multiply
    484,584.66x = 668,726.86 × 269,720.11
  4. Step 4: Simplify right side
    484,584.66x = 180,369,082,239.16
  5. Step 5: Solve for x
    x = 180,369,082,239.16/484,584.66
  6. Step 6: Final answer
    x = 372,213.77

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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.