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Finding the Fourth Proportional to 357,154.66, 535,882.29 and 222,331.58

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Solution

The fourth proportional to 357,154.66, 535,882.29 and 222,331.58 is: 333,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,154.66 : 535,882.29 = 222,331.58 : x
  2. Step 2: Convert to fraction form
    357,154.66/535,882.29 = 222,331.58/x
  3. Step 3: Cross multiply
    357,154.66x = 535,882.29 × 222,331.58
  4. Step 4: Simplify right side
    357,154.66x = 119,143,553,778.36
  5. Step 5: Solve for x
    x = 119,143,553,778.36/357,154.66
  6. Step 6: Final answer
    x = 333,590.93

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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.