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Finding the Fourth Proportional to 538,559.68, 807,860.01 and 201,564.85

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Solution

The fourth proportional to 538,559.68, 807,860.01 and 201,564.85 is: 302,354.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,559.68 : 807,860.01 = 201,564.85 : x
  2. Step 2: Convert to fraction form
    538,559.68/807,860.01 = 201,564.85/x
  3. Step 3: Cross multiply
    538,559.68x = 807,860.01 × 201,564.85
  4. Step 4: Simplify right side
    538,559.68x = 162,836,181,736.65
  5. Step 5: Solve for x
    x = 162,836,181,736.65/538,559.68
  6. Step 6: Final answer
    x = 302,354.94

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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.