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Finding the Fourth Proportional to 557,266.40, 835,899.60 and 136,538.63

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Solution

The fourth proportional to 557,266.40, 835,899.60 and 136,538.63 is: 204,807.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,266.40 : 835,899.60 = 136,538.63 : x
  2. Step 2: Convert to fraction form
    557,266.40/835,899.60 = 136,538.63/x
  3. Step 3: Cross multiply
    557,266.40x = 835,899.60 × 136,538.63
  4. Step 4: Simplify right side
    557,266.40x = 114,132,582,022.05
  5. Step 5: Solve for x
    x = 114,132,582,022.05/557,266.40
  6. Step 6: Final answer
    x = 204,807.94

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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.