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Finding the Fourth Proportional to 559,682.44, 839,648.40 and 204,688.60

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Solution

The fourth proportional to 559,682.44, 839,648.40 and 204,688.60 is: 307,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,682.44 : 839,648.40 = 204,688.60 : x
  2. Step 2: Convert to fraction form
    559,682.44/839,648.40 = 204,688.60/x
  3. Step 3: Cross multiply
    559,682.44x = 839,648.40 × 204,688.60
  4. Step 4: Simplify right side
    559,682.44x = 171,866,455,488.24
  5. Step 5: Solve for x
    x = 171,866,455,488.24/559,682.44
  6. Step 6: Final answer
    x = 307,078.52

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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.