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Finding the Fourth Proportional to 479,525.86, 661,698.57 and 264,652.05

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Solution

The fourth proportional to 479,525.86, 661,698.57 and 264,652.05 is: 365,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,525.86 : 661,698.57 = 264,652.05 : x
  2. Step 2: Convert to fraction form
    479,525.86/661,698.57 = 264,652.05/x
  3. Step 3: Cross multiply
    479,525.86x = 661,698.57 × 264,652.05
  4. Step 4: Simplify right side
    479,525.86x = 175,119,883,032.57
  5. Step 5: Solve for x
    x = 175,119,883,032.57/479,525.86
  6. Step 6: Final answer
    x = 365,193.83

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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.