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Finding the Fourth Proportional to 3,141,869.03, 4,712,450.64 and 867,716.73

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Solution

The fourth proportional to 3,141,869.03, 4,712,450.64 and 867,716.73 is: 1,301,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,869.03 : 4,712,450.64 = 867,716.73 : x
  2. Step 2: Convert to fraction form
    3,141,869.03/4,712,450.64 = 867,716.73/x
  3. Step 3: Cross multiply
    3,141,869.03x = 4,712,450.64 × 867,716.73
  4. Step 4: Simplify right side
    3,141,869.03x = 4,089,072,259,627.21
  5. Step 5: Solve for x
    x = 4,089,072,259,627.21/3,141,869.03
  6. Step 6: Final answer
    x = 1,301,477.63

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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.