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Finding the Fourth Proportional to 383,424.81, 529,064.00 and 222,248.37

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Solution

The fourth proportional to 383,424.81, 529,064.00 and 222,248.37 is: 306,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,424.81 : 529,064.00 = 222,248.37 : x
  2. Step 2: Convert to fraction form
    383,424.81/529,064.00 = 222,248.37/x
  3. Step 3: Cross multiply
    383,424.81x = 529,064.00 × 222,248.37
  4. Step 4: Simplify right side
    383,424.81x = 117,583,614,582.01
  5. Step 5: Solve for x
    x = 117,583,614,582.01/383,424.81
  6. Step 6: Final answer
    x = 306,666.69

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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.