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Finding the Fourth Proportional to 599,763.56, 899,803.07 and 215,551.23

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Solution

The fourth proportional to 599,763.56, 899,803.07 and 215,551.23 is: 323,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,763.56 : 899,803.07 = 215,551.23 : x
  2. Step 2: Convert to fraction form
    599,763.56/899,803.07 = 215,551.23/x
  3. Step 3: Cross multiply
    599,763.56x = 899,803.07 × 215,551.23
  4. Step 4: Simplify right side
    599,763.56x = 193,953,657,418.52
  5. Step 5: Solve for x
    x = 193,953,657,418.52/599,763.56
  6. Step 6: Final answer
    x = 323,383.53

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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.