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Finding the Fourth Proportional to 665,091, 917,848.26 and 363,304.44

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Solution

The fourth proportional to 665,091, 917,848.26 and 363,304.44 is: 501,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,091 : 917,848.26 = 363,304.44 : x
  2. Step 2: Convert to fraction form
    665,091/917,848.26 = 363,304.44/x
  3. Step 3: Cross multiply
    665,091x = 917,848.26 × 363,304.44
  4. Step 4: Simplify right side
    665,091x = 333,458,348,104.27
  5. Step 5: Solve for x
    x = 333,458,348,104.27/665,091
  6. Step 6: Final answer
    x = 501,372.52

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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.