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Finding the Fourth Proportional to 557,079.50, 834,256.44 and 503,165.31

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Solution

The fourth proportional to 557,079.50, 834,256.44 and 503,165.31 is: 753,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,079.50 : 834,256.44 = 503,165.31 : x
  2. Step 2: Convert to fraction form
    557,079.50/834,256.44 = 503,165.31/x
  3. Step 3: Cross multiply
    557,079.50x = 834,256.44 × 503,165.31
  4. Step 4: Simplify right side
    557,079.50x = 419,768,900,252.10
  5. Step 5: Solve for x
    x = 419,768,900,252.10/557,079.50
  6. Step 6: Final answer
    x = 753,517.05

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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.