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Finding the Fourth Proportional to 497,396.52, 745,388.52 and 383,112.24

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Solution

The fourth proportional to 497,396.52, 745,388.52 and 383,112.24 is: 574,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,396.52 : 745,388.52 = 383,112.24 : x
  2. Step 2: Convert to fraction form
    497,396.52/745,388.52 = 383,112.24/x
  3. Step 3: Cross multiply
    497,396.52x = 745,388.52 × 383,112.24
  4. Step 4: Simplify right side
    497,396.52x = 285,567,465,567.49
  5. Step 5: Solve for x
    x = 285,567,465,567.49/497,396.52
  6. Step 6: Final answer
    x = 574,124.37

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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.