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Finding the Fourth Proportional to 493,644.24, 740,459.88 and 119,670.48

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Solution

The fourth proportional to 493,644.24, 740,459.88 and 119,670.48 is: 179,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,644.24 : 740,459.88 = 119,670.48 : x
  2. Step 2: Convert to fraction form
    493,644.24/740,459.88 = 119,670.48/x
  3. Step 3: Cross multiply
    493,644.24x = 740,459.88 × 119,670.48
  4. Step 4: Simplify right side
    493,644.24x = 88,611,189,260.34
  5. Step 5: Solve for x
    x = 88,611,189,260.34/493,644.24
  6. Step 6: Final answer
    x = 179,504.15

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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.