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Finding the Fourth Proportional to 608,736.98, 839,899.40 and 363,621.44

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Solution

The fourth proportional to 608,736.98, 839,899.40 and 363,621.44 is: 501,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736.98 : 839,899.40 = 363,621.44 : x
  2. Step 2: Convert to fraction form
    608,736.98/839,899.40 = 363,621.44/x
  3. Step 3: Cross multiply
    608,736.98x = 839,899.40 × 363,621.44
  4. Step 4: Simplify right side
    608,736.98x = 305,405,423,265.53
  5. Step 5: Solve for x
    x = 305,405,423,265.53/608,736.98
  6. Step 6: Final answer
    x = 501,703.42

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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.