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Finding the Fourth Proportional to 383,363.07, 529,043.18 and 222,313.71

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Solution

The fourth proportional to 383,363.07, 529,043.18 and 222,313.71 is: 306,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,363.07 : 529,043.18 = 222,313.71 : x
  2. Step 2: Convert to fraction form
    383,363.07/529,043.18 = 222,313.71/x
  3. Step 3: Cross multiply
    383,363.07x = 529,043.18 × 222,313.71
  4. Step 4: Simplify right side
    383,363.07x = 117,613,552,096.00
  5. Step 5: Solve for x
    x = 117,613,552,096.00/383,363.07
  6. Step 6: Final answer
    x = 306,794.16

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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.