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Finding the Fourth Proportional to 479,739.78, 662,051.22 and 264,893.46

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Solution

The fourth proportional to 479,739.78, 662,051.22 and 264,893.46 is: 365,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,739.78 : 662,051.22 = 264,893.46 : x
  2. Step 2: Convert to fraction form
    479,739.78/662,051.22 = 264,893.46/x
  3. Step 3: Cross multiply
    479,739.78x = 662,051.22 × 264,893.46
  4. Step 4: Simplify right side
    479,739.78x = 175,373,038,363.02
  5. Step 5: Solve for x
    x = 175,373,038,363.02/479,739.78
  6. Step 6: Final answer
    x = 365,558.68

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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.