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Finding the Fourth Proportional to 496,980.30, 745,470.45 and 123,003.30

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Solution

The fourth proportional to 496,980.30, 745,470.45 and 123,003.30 is: 184,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,980.30 : 745,470.45 = 123,003.30 : x
  2. Step 2: Convert to fraction form
    496,980.30/745,470.45 = 123,003.30/x
  3. Step 3: Cross multiply
    496,980.30x = 745,470.45 × 123,003.30
  4. Step 4: Simplify right side
    496,980.30x = 91,695,325,402.49
  5. Step 5: Solve for x
    x = 91,695,325,402.49/496,980.30
  6. Step 6: Final answer
    x = 184,504.95

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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.