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Finding the Fourth Proportional to 893,900.80, 1,232,375.61 and 606,922.66

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Solution

The fourth proportional to 893,900.80, 1,232,375.61 and 606,922.66 is: 836,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,900.80 : 1,232,375.61 = 606,922.66 : x
  2. Step 2: Convert to fraction form
    893,900.80/1,232,375.61 = 606,922.66/x
  3. Step 3: Cross multiply
    893,900.80x = 1,232,375.61 × 606,922.66
  4. Step 4: Simplify right side
    893,900.80x = 747,956,683,340.32
  5. Step 5: Solve for x
    x = 747,956,683,340.32/893,900.80
  6. Step 6: Final answer
    x = 836,733.43

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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.