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Finding the Fourth Proportional to 599,767.64, 899,808.98 and 215,555.27

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Solution

The fourth proportional to 599,767.64, 899,808.98 and 215,555.27 is: 323,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,767.64 : 899,808.98 = 215,555.27 : x
  2. Step 2: Convert to fraction form
    599,767.64/899,808.98 = 215,555.27/x
  3. Step 3: Cross multiply
    599,767.64x = 899,808.98 × 215,555.27
  4. Step 4: Simplify right side
    599,767.64x = 193,958,562,055.50
  5. Step 5: Solve for x
    x = 193,958,562,055.50/599,767.64
  6. Step 6: Final answer
    x = 323,389.51

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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.