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Finding the Fourth Proportional to 497,773.20, 746,076.60 and 372,968.40

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Solution

The fourth proportional to 497,773.20, 746,076.60 and 372,968.40 is: 559,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,773.20 : 746,076.60 = 372,968.40 : x
  2. Step 2: Convert to fraction form
    497,773.20/746,076.60 = 372,968.40/x
  3. Step 3: Cross multiply
    497,773.20x = 746,076.60 × 372,968.40
  4. Step 4: Simplify right side
    497,773.20x = 278,262,995,779.44
  5. Step 5: Solve for x
    x = 278,262,995,779.44/497,773.20
  6. Step 6: Final answer
    x = 559,015.62

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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.