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Finding the Fourth Proportional to 479,440.92, 661,627.80 and 264,580.96

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Solution

The fourth proportional to 479,440.92, 661,627.80 and 264,580.96 is: 365,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,440.92 : 661,627.80 = 264,580.96 : x
  2. Step 2: Convert to fraction form
    479,440.92/661,627.80 = 264,580.96/x
  3. Step 3: Cross multiply
    479,440.92x = 661,627.80 × 264,580.96
  4. Step 4: Simplify right side
    479,440.92x = 175,054,118,486.69
  5. Step 5: Solve for x
    x = 175,054,118,486.69/479,440.92
  6. Step 6: Final answer
    x = 365,121.36

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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.