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Finding the Fourth Proportional to 665,752.48, 998,636.01 and 192,441.94

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Solution

The fourth proportional to 665,752.48, 998,636.01 and 192,441.94 is: 288,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,752.48 : 998,636.01 = 192,441.94 : x
  2. Step 2: Convert to fraction form
    665,752.48/998,636.01 = 192,441.94/x
  3. Step 3: Cross multiply
    665,752.48x = 998,636.01 × 192,441.94
  4. Step 4: Simplify right side
    665,752.48x = 192,179,448,621.67
  5. Step 5: Solve for x
    x = 192,179,448,621.67/665,752.48
  6. Step 6: Final answer
    x = 288,665.01

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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.