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Finding the Fourth Proportional to 383,365.83, 529,046.99 and 222,316.47

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Solution

The fourth proportional to 383,365.83, 529,046.99 and 222,316.47 is: 306,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,365.83 : 529,046.99 = 222,316.47 : x
  2. Step 2: Convert to fraction form
    383,365.83/529,046.99 = 222,316.47/x
  3. Step 3: Cross multiply
    383,365.83x = 529,046.99 × 222,316.47
  4. Step 4: Simplify right side
    383,365.83x = 117,615,859,280.93
  5. Step 5: Solve for x
    x = 117,615,859,280.93/383,365.83
  6. Step 6: Final answer
    x = 306,797.97

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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.