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Finding the Fourth Proportional to 539,173.42, 808,863.81 and 206,723.50

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Solution

The fourth proportional to 539,173.42, 808,863.81 and 206,723.50 is: 310,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,173.42 : 808,863.81 = 206,723.50 : x
  2. Step 2: Convert to fraction form
    539,173.42/808,863.81 = 206,723.50/x
  3. Step 3: Cross multiply
    539,173.42x = 808,863.81 × 206,723.50
  4. Step 4: Simplify right side
    539,173.42x = 167,211,157,826.54
  5. Step 5: Solve for x
    x = 167,211,157,826.54/539,173.42
  6. Step 6: Final answer
    x = 310,125.00

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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.