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Finding the Fourth Proportional to 404,682.60, 607,023.90 and 124,163.40

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Solution

The fourth proportional to 404,682.60, 607,023.90 and 124,163.40 is: 186,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,682.60 : 607,023.90 = 124,163.40 : x
  2. Step 2: Convert to fraction form
    404,682.60/607,023.90 = 124,163.40/x
  3. Step 3: Cross multiply
    404,682.60x = 607,023.90 × 124,163.40
  4. Step 4: Simplify right side
    404,682.60x = 75,370,151,305.26
  5. Step 5: Solve for x
    x = 75,370,151,305.26/404,682.60
  6. Step 6: Final answer
    x = 186,245.10

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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.