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Finding the Fourth Proportional to 479,586.80, 661,829.67 and 264,726.80

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Solution

The fourth proportional to 479,586.80, 661,829.67 and 264,726.80 is: 365,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,586.80 : 661,829.67 = 264,726.80 : x
  2. Step 2: Convert to fraction form
    479,586.80/661,829.67 = 264,726.80/x
  3. Step 3: Cross multiply
    479,586.80x = 661,829.67 × 264,726.80
  4. Step 4: Simplify right side
    479,586.80x = 175,204,050,684.16
  5. Step 5: Solve for x
    x = 175,204,050,684.16/479,586.80
  6. Step 6: Final answer
    x = 365,322.92

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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.