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Finding the Fourth Proportional to 363,703.49, 501,926.36 and 202,558.50

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Solution

The fourth proportional to 363,703.49, 501,926.36 and 202,558.50 is: 279,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,703.49 : 501,926.36 = 202,558.50 : x
  2. Step 2: Convert to fraction form
    363,703.49/501,926.36 = 202,558.50/x
  3. Step 3: Cross multiply
    363,703.49x = 501,926.36 × 202,558.50
  4. Step 4: Simplify right side
    363,703.49x = 101,669,449,579.27
  5. Step 5: Solve for x
    x = 101,669,449,579.27/363,703.49
  6. Step 6: Final answer
    x = 279,539.39

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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.