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Finding the Fourth Proportional to 416,885.00, 625,174.32 and 143,253.60

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Solution

The fourth proportional to 416,885.00, 625,174.32 and 143,253.60 is: 214,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,885.00 : 625,174.32 = 143,253.60 : x
  2. Step 2: Convert to fraction form
    416,885.00/625,174.32 = 143,253.60/x
  3. Step 3: Cross multiply
    416,885.00x = 625,174.32 × 143,253.60
  4. Step 4: Simplify right side
    416,885.00x = 89,558,471,967.55
  5. Step 5: Solve for x
    x = 89,558,471,967.55/416,885.00
  6. Step 6: Final answer
    x = 214,827.77

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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.