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Finding the Fourth Proportional to 559,717.05, 839,658.60 and 180,513.12

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Solution

The fourth proportional to 559,717.05, 839,658.60 and 180,513.12 is: 270,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,717.05 : 839,658.60 = 180,513.12 : x
  2. Step 2: Convert to fraction form
    559,717.05/839,658.60 = 180,513.12/x
  3. Step 3: Cross multiply
    559,717.05x = 839,658.60 × 180,513.12
  4. Step 4: Simplify right side
    559,717.05x = 151,569,393,620.83
  5. Step 5: Solve for x
    x = 151,569,393,620.83/559,717.05
  6. Step 6: Final answer
    x = 270,796.46

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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.