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Finding the Fourth Proportional to 400,775.60, 601,163.40 and 101,257.04

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Solution

The fourth proportional to 400,775.60, 601,163.40 and 101,257.04 is: 151,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,775.60 : 601,163.40 = 101,257.04 : x
  2. Step 2: Convert to fraction form
    400,775.60/601,163.40 = 101,257.04/x
  3. Step 3: Cross multiply
    400,775.60x = 601,163.40 × 101,257.04
  4. Step 4: Simplify right side
    400,775.60x = 60,872,026,440.34
  5. Step 5: Solve for x
    x = 60,872,026,440.34/400,775.60
  6. Step 6: Final answer
    x = 151,885.56

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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.