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Finding the Fourth Proportional to 484,462.52, 668,562.72 and 269,611.64

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Solution

The fourth proportional to 484,462.52, 668,562.72 and 269,611.64 is: 372,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,462.52 : 668,562.72 = 269,611.64 : x
  2. Step 2: Convert to fraction form
    484,462.52/668,562.72 = 269,611.64/x
  3. Step 3: Cross multiply
    484,462.52x = 668,562.72 × 269,611.64
  4. Step 4: Simplify right side
    484,462.52x = 180,252,291,382.06
  5. Step 5: Solve for x
    x = 180,252,291,382.06/484,462.52
  6. Step 6: Final answer
    x = 372,066.54

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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.