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Finding the Fourth Proportional to 854,907.44, 1,179,807 and 472,927.64

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Solution

The fourth proportional to 854,907.44, 1,179,807 and 472,927.64 is: 652,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,907.44 : 1,179,807 = 472,927.64 : x
  2. Step 2: Convert to fraction form
    854,907.44/1,179,807 = 472,927.64/x
  3. Step 3: Cross multiply
    854,907.44x = 1,179,807 × 472,927.64
  4. Step 4: Simplify right side
    854,907.44x = 557,963,340,165.48
  5. Step 5: Solve for x
    x = 557,963,340,165.48/854,907.44
  6. Step 6: Final answer
    x = 652,659.36

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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.