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Finding the Fourth Proportional to 525,502.68, 788,297.46 and 225,990.36

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Solution

The fourth proportional to 525,502.68, 788,297.46 and 225,990.36 is: 339,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,502.68 : 788,297.46 = 225,990.36 : x
  2. Step 2: Convert to fraction form
    525,502.68/788,297.46 = 225,990.36/x
  3. Step 3: Cross multiply
    525,502.68x = 788,297.46 × 225,990.36
  4. Step 4: Simplify right side
    525,502.68x = 178,147,626,772.49
  5. Step 5: Solve for x
    x = 178,147,626,772.49/525,502.68
  6. Step 6: Final answer
    x = 339,004.22

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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.