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Finding the Fourth Proportional to 427,959.64, 590,577.06 and 236,968.93

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Solution

The fourth proportional to 427,959.64, 590,577.06 and 236,968.93 is: 327,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,959.64 : 590,577.06 = 236,968.93 : x
  2. Step 2: Convert to fraction form
    427,959.64/590,577.06 = 236,968.93/x
  3. Step 3: Cross multiply
    427,959.64x = 590,577.06 × 236,968.93
  4. Step 4: Simplify right side
    427,959.64x = 139,948,413,990.75
  5. Step 5: Solve for x
    x = 139,948,413,990.75/427,959.64
  6. Step 6: Final answer
    x = 327,013.11

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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.