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Finding the Fourth Proportional to 324,366.84, 486,596.70 and 99,746.10

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Solution

The fourth proportional to 324,366.84, 486,596.70 and 99,746.10 is: 149,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,366.84 : 486,596.70 = 99,746.10 : x
  2. Step 2: Convert to fraction form
    324,366.84/486,596.70 = 99,746.10/x
  3. Step 3: Cross multiply
    324,366.84x = 486,596.70 × 99,746.10
  4. Step 4: Simplify right side
    324,366.84x = 48,536,123,097.87
  5. Step 5: Solve for x
    x = 48,536,123,097.87/324,366.84
  6. Step 6: Final answer
    x = 149,633.43

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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.