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Finding the Fourth Proportional to 1,845,976.60, 2,767,409.70 and 959,512.60

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Solution

The fourth proportional to 1,845,976.60, 2,767,409.70 and 959,512.60 is: 1,438,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,976.60 : 2,767,409.70 = 959,512.60 : x
  2. Step 2: Convert to fraction form
    1,845,976.60/2,767,409.70 = 959,512.60/x
  3. Step 3: Cross multiply
    1,845,976.60x = 2,767,409.70 × 959,512.60
  4. Step 4: Simplify right side
    1,845,976.60x = 2,655,364,476,512.22
  5. Step 5: Solve for x
    x = 2,655,364,476,512.22/1,845,976.60
  6. Step 6: Final answer
    x = 1,438,460.53

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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.