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Finding the Fourth Proportional to 357,154.41, 535,881.91 and 222,331.33

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Solution

The fourth proportional to 357,154.41, 535,881.91 and 222,331.33 is: 333,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,154.41 : 535,881.91 = 222,331.33 : x
  2. Step 2: Convert to fraction form
    357,154.41/535,881.91 = 222,331.33/x
  3. Step 3: Cross multiply
    357,154.41x = 535,881.91 × 222,331.33
  4. Step 4: Simplify right side
    357,154.41x = 119,143,336,433.54
  5. Step 5: Solve for x
    x = 119,143,336,433.54/357,154.41
  6. Step 6: Final answer
    x = 333,590.55

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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.