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Finding the Fourth Proportional to 522,396.33, 783,889.79 and 222,848.61

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Solution

The fourth proportional to 522,396.33, 783,889.79 and 222,848.61 is: 334,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,396.33 : 783,889.79 = 222,848.61 : x
  2. Step 2: Convert to fraction form
    522,396.33/783,889.79 = 222,848.61/x
  3. Step 3: Cross multiply
    522,396.33x = 783,889.79 × 222,848.61
  4. Step 4: Simplify right side
    522,396.33x = 174,688,748,980.45
  5. Step 5: Solve for x
    x = 174,688,748,980.45/522,396.33
  6. Step 6: Final answer
    x = 334,398.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.