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Finding the Fourth Proportional to 933,395.20, 1,401,199.97 and 785,477.45

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Solution

The fourth proportional to 933,395.20, 1,401,199.97 and 785,477.45 is: 1,179,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,395.20 : 1,401,199.97 = 785,477.45 : x
  2. Step 2: Convert to fraction form
    933,395.20/1,401,199.97 = 785,477.45/x
  3. Step 3: Cross multiply
    933,395.20x = 1,401,199.97 × 785,477.45
  4. Step 4: Simplify right side
    933,395.20x = 1,100,610,978,951.29
  5. Step 5: Solve for x
    x = 1,100,610,978,951.29/933,395.20
  6. Step 6: Final answer
    x = 1,179,147.89

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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.