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Finding the Fourth Proportional to 355,082.60, 532,623.90 and 222,372.20

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Solution

The fourth proportional to 355,082.60, 532,623.90 and 222,372.20 is: 333,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,082.60 : 532,623.90 = 222,372.20 : x
  2. Step 2: Convert to fraction form
    355,082.60/532,623.90 = 222,372.20/x
  3. Step 3: Cross multiply
    355,082.60x = 532,623.90 × 222,372.20
  4. Step 4: Simplify right side
    355,082.60x = 118,440,748,415.58
  5. Step 5: Solve for x
    x = 118,440,748,415.58/355,082.60
  6. Step 6: Final answer
    x = 333,558.30

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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.