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Finding the Fourth Proportional to 559,953.70, 839,930.55 and 204,849.70

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Solution

The fourth proportional to 559,953.70, 839,930.55 and 204,849.70 is: 307,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,953.70 : 839,930.55 = 204,849.70 : x
  2. Step 2: Convert to fraction form
    559,953.70/839,930.55 = 204,849.70/x
  3. Step 3: Cross multiply
    559,953.70x = 839,930.55 × 204,849.70
  4. Step 4: Simplify right side
    559,953.70x = 172,059,521,188.34
  5. Step 5: Solve for x
    x = 172,059,521,188.34/559,953.70
  6. Step 6: Final answer
    x = 307,274.55

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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.