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Finding the Fourth Proportional to 415,230.59, 573,015.62 and 234,000.68

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Solution

The fourth proportional to 415,230.59, 573,015.62 and 234,000.68 is: 322,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,230.59 : 573,015.62 = 234,000.68 : x
  2. Step 2: Convert to fraction form
    415,230.59/573,015.62 = 234,000.68/x
  3. Step 3: Cross multiply
    415,230.59x = 573,015.62 × 234,000.68
  4. Step 4: Simplify right side
    415,230.59x = 134,086,040,695.54
  5. Step 5: Solve for x
    x = 134,086,040,695.54/415,230.59
  6. Step 6: Final answer
    x = 322,919.47

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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.