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Finding the Fourth Proportional to 1,799,302.88, 2,699,704.04 and 789,150.19

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Solution

The fourth proportional to 1,799,302.88, 2,699,704.04 and 789,150.19 is: 1,184,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,302.88 : 2,699,704.04 = 789,150.19 : x
  2. Step 2: Convert to fraction form
    1,799,302.88/2,699,704.04 = 789,150.19/x
  3. Step 3: Cross multiply
    1,799,302.88x = 2,699,704.04 × 789,150.19
  4. Step 4: Simplify right side
    1,799,302.88x = 2,130,471,956,109.77
  5. Step 5: Solve for x
    x = 2,130,471,956,109.77/1,799,302.88
  6. Step 6: Final answer
    x = 1,184,054.10

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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.