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Finding the Fourth Proportional to 335,996.18, 503,999.39 and 122,807.42

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Solution

The fourth proportional to 335,996.18, 503,999.39 and 122,807.42 is: 184,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,996.18 : 503,999.39 = 122,807.42 : x
  2. Step 2: Convert to fraction form
    335,996.18/503,999.39 = 122,807.42/x
  3. Step 3: Cross multiply
    335,996.18x = 503,999.39 × 122,807.42
  4. Step 4: Simplify right side
    335,996.18x = 61,894,862,681.60
  5. Step 5: Solve for x
    x = 61,894,862,681.60/335,996.18
  6. Step 6: Final answer
    x = 184,213.00

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Why These Related Problems?

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