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Finding the Fourth Proportional to 706,368.96, 1,059,553.43 and 207,732.96

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Solution

The fourth proportional to 706,368.96, 1,059,553.43 and 207,732.96 is: 311,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,368.96 : 1,059,553.43 = 207,732.96 : x
  2. Step 2: Convert to fraction form
    706,368.96/1,059,553.43 = 207,732.96/x
  3. Step 3: Cross multiply
    706,368.96x = 1,059,553.43 × 207,732.96
  4. Step 4: Simplify right side
    706,368.96x = 220,104,170,292.05
  5. Step 5: Solve for x
    x = 220,104,170,292.05/706,368.96
  6. Step 6: Final answer
    x = 311,599.44

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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.