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Finding the Fourth Proportional to 608,970.60, 913,067.10 and 254,125.80

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Solution

The fourth proportional to 608,970.60, 913,067.10 and 254,125.80 is: 381,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,970.60 : 913,067.10 = 254,125.80 : x
  2. Step 2: Convert to fraction form
    608,970.60/913,067.10 = 254,125.80/x
  3. Step 3: Cross multiply
    608,970.60x = 913,067.10 × 254,125.80
  4. Step 4: Simplify right side
    608,970.60x = 232,033,907,241.18
  5. Step 5: Solve for x
    x = 232,033,907,241.18/608,970.60
  6. Step 6: Final answer
    x = 381,026.45

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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.