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Finding the Fourth Proportional to 599,713.36, 899,725.68 and 178,989.22

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Solution

The fourth proportional to 599,713.36, 899,725.68 and 178,989.22 is: 268,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,713.36 : 899,725.68 = 178,989.22 : x
  2. Step 2: Convert to fraction form
    599,713.36/899,725.68 = 178,989.22/x
  3. Step 3: Cross multiply
    599,713.36x = 899,725.68 × 178,989.22
  4. Step 4: Simplify right side
    599,713.36x = 161,041,197,677.17
  5. Step 5: Solve for x
    x = 161,041,197,677.17/599,713.36
  6. Step 6: Final answer
    x = 268,530.28

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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.