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Finding the Fourth Proportional to 371,529.76, 557,324.16 and 222,784.96

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Solution

The fourth proportional to 371,529.76, 557,324.16 and 222,784.96 is: 334,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,529.76 : 557,324.16 = 222,784.96 : x
  2. Step 2: Convert to fraction form
    371,529.76/557,324.16 = 222,784.96/x
  3. Step 3: Cross multiply
    371,529.76x = 557,324.16 × 222,784.96
  4. Step 4: Simplify right side
    371,529.76x = 124,163,440,692.63
  5. Step 5: Solve for x
    x = 124,163,440,692.63/371,529.76
  6. Step 6: Final answer
    x = 334,195.14

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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.