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Finding the Fourth Proportional to 534,599.88, 737,772.12 and 305,219.22

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Solution

The fourth proportional to 534,599.88, 737,772.12 and 305,219.22 is: 421,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,599.88 : 737,772.12 = 305,219.22 : x
  2. Step 2: Convert to fraction form
    534,599.88/737,772.12 = 305,219.22/x
  3. Step 3: Cross multiply
    534,599.88x = 737,772.12 × 305,219.22
  4. Step 4: Simplify right side
    534,599.88x = 225,182,231,004.15
  5. Step 5: Solve for x
    x = 225,182,231,004.15/534,599.88
  6. Step 6: Final answer
    x = 421,216.39

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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.