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Finding the Fourth Proportional to 496,713.47, 685,559.07 and 281,873.52

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Solution

The fourth proportional to 496,713.47, 685,559.07 and 281,873.52 is: 389,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,713.47 : 685,559.07 = 281,873.52 : x
  2. Step 2: Convert to fraction form
    496,713.47/685,559.07 = 281,873.52/x
  3. Step 3: Cross multiply
    496,713.47x = 685,559.07 × 281,873.52
  4. Step 4: Simplify right side
    496,713.47x = 193,240,948,228.83
  5. Step 5: Solve for x
    x = 193,240,948,228.83/496,713.47
  6. Step 6: Final answer
    x = 389,039.08

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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.