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Finding the Fourth Proportional to 483,386.60, 667,050.87 and 268,539.77

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Solution

The fourth proportional to 483,386.60, 667,050.87 and 268,539.77 is: 370,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,386.60 : 667,050.87 = 268,539.77 : x
  2. Step 2: Convert to fraction form
    483,386.60/667,050.87 = 268,539.77/x
  3. Step 3: Cross multiply
    483,386.60x = 667,050.87 × 268,539.77
  4. Step 4: Simplify right side
    483,386.60x = 179,129,687,208.10
  5. Step 5: Solve for x
    x = 179,129,687,208.10/483,386.60
  6. Step 6: Final answer
    x = 370,572.31

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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.