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Finding the Fourth Proportional to 562,099.68, 775,716.03 and 307,450.86

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Solution

The fourth proportional to 562,099.68, 775,716.03 and 307,450.86 is: 424,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,099.68 : 775,716.03 = 307,450.86 : x
  2. Step 2: Convert to fraction form
    562,099.68/775,716.03 = 307,450.86/x
  3. Step 3: Cross multiply
    562,099.68x = 775,716.03 × 307,450.86
  4. Step 4: Simplify right side
    562,099.68x = 238,494,560,539.29
  5. Step 5: Solve for x
    x = 238,494,560,539.29/562,099.68
  6. Step 6: Final answer
    x = 424,292.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.