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Finding the Fourth Proportional to 570,404.20, 855,317.98 and 333,817.96

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Solution

The fourth proportional to 570,404.20, 855,317.98 and 333,817.96 is: 500,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,404.20 : 855,317.98 = 333,817.96 : x
  2. Step 2: Convert to fraction form
    570,404.20/855,317.98 = 333,817.96/x
  3. Step 3: Cross multiply
    570,404.20x = 855,317.98 × 333,817.96
  4. Step 4: Simplify right side
    570,404.20x = 285,520,503,234.92
  5. Step 5: Solve for x
    x = 285,520,503,234.92/570,404.20
  6. Step 6: Final answer
    x = 500,558.21

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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.