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Finding the Fourth Proportional to 539,074.86, 808,685.19 and 183,993.54

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Solution

The fourth proportional to 539,074.86, 808,685.19 and 183,993.54 is: 276,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,074.86 : 808,685.19 = 183,993.54 : x
  2. Step 2: Convert to fraction form
    539,074.86/808,685.19 = 183,993.54/x
  3. Step 3: Cross multiply
    539,074.86x = 808,685.19 × 183,993.54
  4. Step 4: Simplify right side
    539,074.86x = 148,792,850,853.67
  5. Step 5: Solve for x
    x = 148,792,850,853.67/539,074.86
  6. Step 6: Final answer
    x = 276,015.19

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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.