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Finding the Fourth Proportional to 608,947.60, 913,032.60 and 254,102.80

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Solution

The fourth proportional to 608,947.60, 913,032.60 and 254,102.80 is: 380,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,947.60 : 913,032.60 = 254,102.80 : x
  2. Step 2: Convert to fraction form
    608,947.60/913,032.60 = 254,102.80/x
  3. Step 3: Cross multiply
    608,947.60x = 913,032.60 × 254,102.80
  4. Step 4: Simplify right side
    608,947.60x = 232,004,140,151.28
  5. Step 5: Solve for x
    x = 232,004,140,151.28/608,947.60
  6. Step 6: Final answer
    x = 380,991.96

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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.