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Finding the Fourth Proportional to 479,031.96, 661,051.08 and 264,168.12

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Solution

The fourth proportional to 479,031.96, 661,051.08 and 264,168.12 is: 364,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,031.96 : 661,051.08 = 264,168.12 : x
  2. Step 2: Convert to fraction form
    479,031.96/661,051.08 = 264,168.12/x
  3. Step 3: Cross multiply
    479,031.96x = 661,051.08 × 264,168.12
  4. Step 4: Simplify right side
    479,031.96x = 174,628,621,027.57
  5. Step 5: Solve for x
    x = 174,628,621,027.57/479,031.96
  6. Step 6: Final answer
    x = 364,544.82

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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.