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Finding the Fourth Proportional to 554,131.92, 830,993.76 and 199,050.60

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Solution

The fourth proportional to 554,131.92, 830,993.76 and 199,050.60 is: 298,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,131.92 : 830,993.76 = 199,050.60 : x
  2. Step 2: Convert to fraction form
    554,131.92/830,993.76 = 199,050.60/x
  3. Step 3: Cross multiply
    554,131.92x = 830,993.76 × 199,050.60
  4. Step 4: Simplify right side
    554,131.92x = 165,409,806,524.26
  5. Step 5: Solve for x
    x = 165,409,806,524.26/554,131.92
  6. Step 6: Final answer
    x = 298,502.58

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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.