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Finding the Fourth Proportional to 619,665.62, 929,495.18 and 337,152.05

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Solution

The fourth proportional to 619,665.62, 929,495.18 and 337,152.05 is: 505,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,665.62 : 929,495.18 = 337,152.05 : x
  2. Step 2: Convert to fraction form
    619,665.62/929,495.18 = 337,152.05/x
  3. Step 3: Cross multiply
    619,665.62x = 929,495.18 × 337,152.05
  4. Step 4: Simplify right side
    619,665.62x = 313,381,205,402.12
  5. Step 5: Solve for x
    x = 313,381,205,402.12/619,665.62
  6. Step 6: Final answer
    x = 505,726.31

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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.