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Finding the Fourth Proportional to 310,605.37, 465,817.97 and 121,023.45

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Solution

The fourth proportional to 310,605.37, 465,817.97 and 121,023.45 is: 181,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,605.37 : 465,817.97 = 121,023.45 : x
  2. Step 2: Convert to fraction form
    310,605.37/465,817.97 = 121,023.45/x
  3. Step 3: Cross multiply
    310,605.37x = 465,817.97 × 121,023.45
  4. Step 4: Simplify right side
    310,605.37x = 56,374,898,103.96
  5. Step 5: Solve for x
    x = 56,374,898,103.96/310,605.37
  6. Step 6: Final answer
    x = 181,500.08

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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.