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Finding the Fourth Proportional to 322,898.60, 484,366.12 and 98,266.36

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Solution

The fourth proportional to 322,898.60, 484,366.12 and 98,266.36 is: 147,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,898.60 : 484,366.12 = 98,266.36 : x
  2. Step 2: Convert to fraction form
    322,898.60/484,366.12 = 98,266.36/x
  3. Step 3: Cross multiply
    322,898.60x = 484,366.12 × 98,266.36
  4. Step 4: Simplify right side
    322,898.60x = 47,596,895,519.72
  5. Step 5: Solve for x
    x = 47,596,895,519.72/322,898.60
  6. Step 6: Final answer
    x = 147,405.08

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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.