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Finding the Fourth Proportional to 403,751.17, 605,629.05 and 104,211.27

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Solution

The fourth proportional to 403,751.17, 605,629.05 and 104,211.27 is: 156,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,751.17 : 605,629.05 = 104,211.27 : x
  2. Step 2: Convert to fraction form
    403,751.17/605,629.05 = 104,211.27/x
  3. Step 3: Cross multiply
    403,751.17x = 605,629.05 × 104,211.27
  4. Step 4: Simplify right side
    403,751.17x = 63,113,372,058.60
  5. Step 5: Solve for x
    x = 63,113,372,058.60/403,751.17
  6. Step 6: Final answer
    x = 156,317.50

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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.