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Finding the Fourth Proportional to 543,622.70, 813,878.85 and 333,670.70

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Solution

The fourth proportional to 543,622.70, 813,878.85 and 333,670.70 is: 499,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,622.70 : 813,878.85 = 333,670.70 : x
  2. Step 2: Convert to fraction form
    543,622.70/813,878.85 = 333,670.70/x
  3. Step 3: Cross multiply
    543,622.70x = 813,878.85 × 333,670.70
  4. Step 4: Simplify right side
    543,622.70x = 271,567,525,594.70
  5. Step 5: Solve for x
    x = 271,567,525,594.70/543,622.70
  6. Step 6: Final answer
    x = 499,551.48

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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.