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Finding the Fourth Proportional to 357,610.68, 536,509.31 and 207,706.86

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Solution

The fourth proportional to 357,610.68, 536,509.31 and 207,706.86 is: 311,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,610.68 : 536,509.31 = 207,706.86 : x
  2. Step 2: Convert to fraction form
    357,610.68/536,509.31 = 207,706.86/x
  3. Step 3: Cross multiply
    357,610.68x = 536,509.31 × 207,706.86
  4. Step 4: Simplify right side
    357,610.68x = 111,436,663,102.33
  5. Step 5: Solve for x
    x = 111,436,663,102.33/357,610.68
  6. Step 6: Final answer
    x = 311,614.47

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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.