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Finding the Fourth Proportional to 492,783.90, 739,175.85 and 335,319.90

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Solution

The fourth proportional to 492,783.90, 739,175.85 and 335,319.90 is: 502,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,783.90 : 739,175.85 = 335,319.90 : x
  2. Step 2: Convert to fraction form
    492,783.90/739,175.85 = 335,319.90/x
  3. Step 3: Cross multiply
    492,783.90x = 739,175.85 × 335,319.90
  4. Step 4: Simplify right side
    492,783.90x = 247,860,372,104.42
  5. Step 5: Solve for x
    x = 247,860,372,104.42/492,783.90
  6. Step 6: Final answer
    x = 502,979.85

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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.