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Finding the Fourth Proportional to 493,670.50, 740,508.18 and 119,693.50

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Solution

The fourth proportional to 493,670.50, 740,508.18 and 119,693.50 is: 179,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,670.50 : 740,508.18 = 119,693.50 : x
  2. Step 2: Convert to fraction form
    493,670.50/740,508.18 = 119,693.50/x
  3. Step 3: Cross multiply
    493,670.50x = 740,508.18 × 119,693.50
  4. Step 4: Simplify right side
    493,670.50x = 88,634,015,842.83
  5. Step 5: Solve for x
    x = 88,634,015,842.83/493,670.50
  6. Step 6: Final answer
    x = 179,540.84

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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.