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Finding the Fourth Proportional to 359,092.56, 538,652.44 and 134,429.36

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Solution

The fourth proportional to 359,092.56, 538,652.44 and 134,429.36 is: 201,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,092.56 : 538,652.44 = 134,429.36 : x
  2. Step 2: Convert to fraction form
    359,092.56/538,652.44 = 134,429.36/x
  3. Step 3: Cross multiply
    359,092.56x = 538,652.44 × 134,429.36
  4. Step 4: Simplify right side
    359,092.56x = 72,410,702,771.64
  5. Step 5: Solve for x
    x = 72,410,702,771.64/359,092.56
  6. Step 6: Final answer
    x = 201,649.13

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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.