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Finding the Fourth Proportional to 338,798.25, 467,626.55 and 230,086.53

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Solution

The fourth proportional to 338,798.25, 467,626.55 and 230,086.53 is: 317,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,798.25 : 467,626.55 = 230,086.53 : x
  2. Step 2: Convert to fraction form
    338,798.25/467,626.55 = 230,086.53/x
  3. Step 3: Cross multiply
    338,798.25x = 467,626.55 × 230,086.53
  4. Step 4: Simplify right side
    338,798.25x = 107,594,569,074.94
  5. Step 5: Solve for x
    x = 107,594,569,074.94/338,798.25
  6. Step 6: Final answer
    x = 317,577.11

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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.