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Finding the Fourth Proportional to 403,433.94, 605,216.52 and 119,153.22

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Solution

The fourth proportional to 403,433.94, 605,216.52 and 119,153.22 is: 178,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,433.94 : 605,216.52 = 119,153.22 : x
  2. Step 2: Convert to fraction form
    403,433.94/605,216.52 = 119,153.22/x
  3. Step 3: Cross multiply
    403,433.94x = 605,216.52 × 119,153.22
  4. Step 4: Simplify right side
    403,433.94x = 72,113,497,155.19
  5. Step 5: Solve for x
    x = 72,113,497,155.19/403,433.94
  6. Step 6: Final answer
    x = 178,749.21

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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.