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Finding the Fourth Proportional to 493,600.40, 739,968.60 and 335,315.60

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Solution

The fourth proportional to 493,600.40, 739,968.60 and 335,315.60 is: 502,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,600.40 : 739,968.60 = 335,315.60 : x
  2. Step 2: Convert to fraction form
    493,600.40/739,968.60 = 335,315.60/x
  3. Step 3: Cross multiply
    493,600.40x = 739,968.60 × 335,315.60
  4. Step 4: Simplify right side
    493,600.40x = 248,123,015,090.16
  5. Step 5: Solve for x
    x = 248,123,015,090.16/493,600.40
  6. Step 6: Final answer
    x = 502,679.93

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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.