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Finding the Fourth Proportional to 559,493.80, 839,590.62 and 227,069.80

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Solution

The fourth proportional to 559,493.80, 839,590.62 and 227,069.80 is: 340,746.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,493.80 : 839,590.62 = 227,069.80 : x
  2. Step 2: Convert to fraction form
    559,493.80/839,590.62 = 227,069.80/x
  3. Step 3: Cross multiply
    559,493.80x = 839,590.62 × 227,069.80
  4. Step 4: Simplify right side
    559,493.80x = 190,645,674,165.28
  5. Step 5: Solve for x
    x = 190,645,674,165.28/559,493.80
  6. Step 6: Final answer
    x = 340,746.71

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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.