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Finding the Fourth Proportional to 668,181.78, 1,001,796.48 and 313,002

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Solution

The fourth proportional to 668,181.78, 1,001,796.48 and 313,002 is: 469,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,181.78 : 1,001,796.48 = 313,002 : x
  2. Step 2: Convert to fraction form
    668,181.78/1,001,796.48 = 313,002/x
  3. Step 3: Cross multiply
    668,181.78x = 1,001,796.48 × 313,002
  4. Step 4: Simplify right side
    668,181.78x = 313,564,301,832.96
  5. Step 5: Solve for x
    x = 313,564,301,832.96/668,181.78
  6. Step 6: Final answer
    x = 469,279.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.