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Finding the Fourth Proportional to 893,373.82, 1,232,851.82 and 485,467.94

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Solution

The fourth proportional to 893,373.82, 1,232,851.82 and 485,467.94 is: 669,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,373.82 : 1,232,851.82 = 485,467.94 : x
  2. Step 2: Convert to fraction form
    893,373.82/1,232,851.82 = 485,467.94/x
  3. Step 3: Cross multiply
    893,373.82x = 1,232,851.82 × 485,467.94
  4. Step 4: Simplify right side
    893,373.82x = 598,510,033,380.65
  5. Step 5: Solve for x
    x = 598,510,033,380.65/893,373.82
  6. Step 6: Final answer
    x = 669,943.56

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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.