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Finding the Fourth Proportional to 893,993.60, 1,340,705.28 and 294,843.08

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Solution

The fourth proportional to 893,993.60, 1,340,705.28 and 294,843.08 is: 442,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,993.60 : 1,340,705.28 = 294,843.08 : x
  2. Step 2: Convert to fraction form
    893,993.60/1,340,705.28 = 294,843.08/x
  3. Step 3: Cross multiply
    893,993.60x = 1,340,705.28 × 294,843.08
  4. Step 4: Simplify right side
    893,993.60x = 395,297,674,127.46
  5. Step 5: Solve for x
    x = 395,297,674,127.46/893,993.60
  6. Step 6: Final answer
    x = 442,170.59

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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.