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Finding the Fourth Proportional to 893,905.52, 1,340,899.60 and 294,919.02

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Solution

The fourth proportional to 893,905.52, 1,340,899.60 and 294,919.02 is: 442,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,905.52 : 1,340,899.60 = 294,919.02 : x
  2. Step 2: Convert to fraction form
    893,905.52/1,340,899.60 = 294,919.02/x
  3. Step 3: Cross multiply
    893,905.52x = 1,340,899.60 × 294,919.02
  4. Step 4: Simplify right side
    893,905.52x = 395,456,795,950.39
  5. Step 5: Solve for x
    x = 395,456,795,950.39/893,905.52
  6. Step 6: Final answer
    x = 442,392.16

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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.