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Finding the Fourth Proportional to 339,333.70, 509,000.55 and 337,000.90

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Solution

The fourth proportional to 339,333.70, 509,000.55 and 337,000.90 is: 505,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,333.70 : 509,000.55 = 337,000.90 : x
  2. Step 2: Convert to fraction form
    339,333.70/509,000.55 = 337,000.90/x
  3. Step 3: Cross multiply
    339,333.70x = 509,000.55 × 337,000.90
  4. Step 4: Simplify right side
    339,333.70x = 171,533,643,450.50
  5. Step 5: Solve for x
    x = 171,533,643,450.50/339,333.70
  6. Step 6: Final answer
    x = 505,501.35

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Similar ratio
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1.5x scale

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.