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Finding the Fourth Proportional to 322,881.93, 484,396.61 and 98,274.20

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Solution

The fourth proportional to 322,881.93, 484,396.61 and 98,274.20 is: 147,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,881.93 : 484,396.61 = 98,274.20 : x
  2. Step 2: Convert to fraction form
    322,881.93/484,396.61 = 98,274.20/x
  3. Step 3: Cross multiply
    322,881.93x = 484,396.61 × 98,274.20
  4. Step 4: Simplify right side
    322,881.93x = 47,603,686,417.11
  5. Step 5: Solve for x
    x = 47,603,686,417.11/322,881.93
  6. Step 6: Final answer
    x = 147,433.73

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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.