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Finding the Fourth Proportional to 988,687.80, 1,483,687.80 and 562,222.80

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Solution

The fourth proportional to 988,687.80, 1,483,687.80 and 562,222.80 is: 843,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,687.80 : 1,483,687.80 = 562,222.80 : x
  2. Step 2: Convert to fraction form
    988,687.80/1,483,687.80 = 562,222.80/x
  3. Step 3: Cross multiply
    988,687.80x = 1,483,687.80 × 562,222.80
  4. Step 4: Simplify right side
    988,687.80x = 834,163,109,241.84
  5. Step 5: Solve for x
    x = 834,163,109,241.84/988,687.80
  6. Step 6: Final answer
    x = 843,707.29

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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.