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Finding the Fourth Proportional to 628,186.02, 866,750.13 and 366,500.54

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Solution

The fourth proportional to 628,186.02, 866,750.13 and 366,500.54 is: 505,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,186.02 : 866,750.13 = 366,500.54 : x
  2. Step 2: Convert to fraction form
    628,186.02/866,750.13 = 366,500.54/x
  3. Step 3: Cross multiply
    628,186.02x = 866,750.13 × 366,500.54
  4. Step 4: Simplify right side
    628,186.02x = 317,664,387,277.99
  5. Step 5: Solve for x
    x = 317,664,387,277.99/628,186.02
  6. Step 6: Final answer
    x = 505,685.22

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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.