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Finding the Fourth Proportional to 854,475.60, 1,179,153 and 472,489.32

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Solution

The fourth proportional to 854,475.60, 1,179,153 and 472,489.32 is: 652,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,475.60 : 1,179,153 = 472,489.32 : x
  2. Step 2: Convert to fraction form
    854,475.60/1,179,153 = 472,489.32/x
  3. Step 3: Cross multiply
    854,475.60x = 1,179,153 × 472,489.32
  4. Step 4: Simplify right side
    854,475.60x = 557,137,199,145.96
  5. Step 5: Solve for x
    x = 557,137,199,145.96/854,475.60
  6. Step 6: Final answer
    x = 652,022.36

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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.