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Finding the Fourth Proportional to 304,255.17, 419,870.25 and 168,286.68

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Solution

The fourth proportional to 304,255.17, 419,870.25 and 168,286.68 is: 232,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,255.17 : 419,870.25 = 168,286.68 : x
  2. Step 2: Convert to fraction form
    304,255.17/419,870.25 = 168,286.68/x
  3. Step 3: Cross multiply
    304,255.17x = 419,870.25 × 168,286.68
  4. Step 4: Simplify right side
    304,255.17x = 70,658,570,403.27
  5. Step 5: Solve for x
    x = 70,658,570,403.27/304,255.17
  6. Step 6: Final answer
    x = 232,234.58

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1.5x scale

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.