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Finding the Fourth Proportional to 556,992.76, 835,505.34 and 136,268.52

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Solution

The fourth proportional to 556,992.76, 835,505.34 and 136,268.52 is: 204,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,992.76 : 835,505.34 = 136,268.52 : x
  2. Step 2: Convert to fraction form
    556,992.76/835,505.34 = 136,268.52/x
  3. Step 3: Cross multiply
    556,992.76x = 835,505.34 × 136,268.52
  4. Step 4: Simplify right side
    556,992.76x = 113,853,076,133.90
  5. Step 5: Solve for x
    x = 113,853,076,133.90/556,992.76
  6. Step 6: Final answer
    x = 204,406.74

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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.