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Finding the Fourth Proportional to 323,218.26, 484,900.83 and 98,598.78

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Solution

The fourth proportional to 323,218.26, 484,900.83 and 98,598.78 is: 147,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,218.26 : 484,900.83 = 98,598.78 : x
  2. Step 2: Convert to fraction form
    323,218.26/484,900.83 = 98,598.78/x
  3. Step 3: Cross multiply
    323,218.26x = 484,900.83 × 98,598.78
  4. Step 4: Simplify right side
    323,218.26x = 47,810,630,258.99
  5. Step 5: Solve for x
    x = 47,810,630,258.99/323,218.26
  6. Step 6: Final answer
    x = 147,920.57

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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.