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Finding the Fourth Proportional to 479,562.95, 661,749.66 and 264,689.07

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Solution

The fourth proportional to 479,562.95, 661,749.66 and 264,689.07 is: 365,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,562.95 : 661,749.66 = 264,689.07 : x
  2. Step 2: Convert to fraction form
    479,562.95/661,749.66 = 264,689.07/x
  3. Step 3: Cross multiply
    479,562.95x = 661,749.66 × 264,689.07
  4. Step 4: Simplify right side
    479,562.95x = 175,157,902,078.22
  5. Step 5: Solve for x
    x = 175,157,902,078.22/479,562.95
  6. Step 6: Final answer
    x = 365,244.86

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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.