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Finding the Fourth Proportional to 323,275.05, 484,911.02 and 98,634.71

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Solution

The fourth proportional to 323,275.05, 484,911.02 and 98,634.71 is: 147,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,275.05 : 484,911.02 = 98,634.71 : x
  2. Step 2: Convert to fraction form
    323,275.05/484,911.02 = 98,634.71/x
  3. Step 3: Cross multiply
    323,275.05x = 484,911.02 × 98,634.71
  4. Step 4: Simplify right side
    323,275.05x = 47,829,059,292.37
  5. Step 5: Solve for x
    x = 47,829,059,292.37/323,275.05
  6. Step 6: Final answer
    x = 147,951.60

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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.