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Finding the Fourth Proportional to 1,085,188, 1,497,559.44 and 608,260

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Solution

The fourth proportional to 1,085,188, 1,497,559.44 and 608,260 is: 839,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,188 : 1,497,559.44 = 608,260 : x
  2. Step 2: Convert to fraction form
    1,085,188/1,497,559.44 = 608,260/x
  3. Step 3: Cross multiply
    1,085,188x = 1,497,559.44 × 608,260
  4. Step 4: Simplify right side
    1,085,188x = 910,905,504,974.40
  5. Step 5: Solve for x
    x = 910,905,504,974.40/1,085,188
  6. Step 6: Final answer
    x = 839,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.