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Finding the Fourth Proportional to 559,976.10, 839,964.15 and 550,644.90

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Solution

The fourth proportional to 559,976.10, 839,964.15 and 550,644.90 is: 825,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,976.10 : 839,964.15 = 550,644.90 : x
  2. Step 2: Convert to fraction form
    559,976.10/839,964.15 = 550,644.90/x
  3. Step 3: Cross multiply
    559,976.10x = 839,964.15 × 550,644.90
  4. Step 4: Simplify right side
    559,976.10x = 462,521,975,380.34
  5. Step 5: Solve for x
    x = 462,521,975,380.34/559,976.10
  6. Step 6: Final answer
    x = 825,967.35

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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.