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Finding the Fourth Proportional to 589,969.90, 883,642.65 and 484,993.90

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Solution

The fourth proportional to 589,969.90, 883,642.65 and 484,993.90 is: 726,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,969.90 : 883,642.65 = 484,993.90 : x
  2. Step 2: Convert to fraction form
    589,969.90/883,642.65 = 484,993.90/x
  3. Step 3: Cross multiply
    589,969.90x = 883,642.65 × 484,993.90
  4. Step 4: Simplify right side
    589,969.90x = 428,561,295,029.84
  5. Step 5: Solve for x
    x = 428,561,295,029.84/589,969.90
  6. Step 6: Final answer
    x = 726,412.14

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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.