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Finding the Fourth Proportional to 479,659.77, 661,913.13 and 264,795.22

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Solution

The fourth proportional to 479,659.77, 661,913.13 and 264,795.22 is: 365,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,659.77 : 661,913.13 = 264,795.22 : x
  2. Step 2: Convert to fraction form
    479,659.77/661,913.13 = 264,795.22/x
  3. Step 3: Cross multiply
    479,659.77x = 661,913.13 × 264,795.22
  4. Step 4: Simplify right side
    479,659.77x = 175,271,432,879.24
  5. Step 5: Solve for x
    x = 175,271,432,879.24/479,659.77
  6. Step 6: Final answer
    x = 365,407.82

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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.