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Finding the Fourth Proportional to 383,960.67, 529,971.13 and 222,867.62

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Solution

The fourth proportional to 383,960.67, 529,971.13 and 222,867.62 is: 307,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,960.67 : 529,971.13 = 222,867.62 : x
  2. Step 2: Convert to fraction form
    383,960.67/529,971.13 = 222,867.62/x
  3. Step 3: Cross multiply
    383,960.67x = 529,971.13 × 222,867.62
  4. Step 4: Simplify right side
    383,960.67x = 118,113,404,411.81
  5. Step 5: Solve for x
    x = 118,113,404,411.81/383,960.67
  6. Step 6: Final answer
    x = 307,618.50

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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.