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Finding the Fourth Proportional to 560,299.50, 773,213.34 and 305,651.70

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Solution

The fourth proportional to 560,299.50, 773,213.34 and 305,651.70 is: 421,799.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,299.50 : 773,213.34 = 305,651.70 : x
  2. Step 2: Convert to fraction form
    560,299.50/773,213.34 = 305,651.70/x
  3. Step 3: Cross multiply
    560,299.50x = 773,213.34 × 305,651.70
  4. Step 4: Simplify right side
    560,299.50x = 236,333,971,833.68
  5. Step 5: Solve for x
    x = 236,333,971,833.68/560,299.50
  6. Step 6: Final answer
    x = 421,799.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.