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Finding the Fourth Proportional to 754,960.88, 1,130,807.88 and 355,002.32

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Solution

The fourth proportional to 754,960.88, 1,130,807.88 and 355,002.32 is: 531,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,960.88 : 1,130,807.88 = 355,002.32 : x
  2. Step 2: Convert to fraction form
    754,960.88/1,130,807.88 = 355,002.32/x
  3. Step 3: Cross multiply
    754,960.88x = 1,130,807.88 × 355,002.32
  4. Step 4: Simplify right side
    754,960.88x = 401,439,420,874.28
  5. Step 5: Solve for x
    x = 401,439,420,874.28/754,960.88
  6. Step 6: Final answer
    x = 531,735.39

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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.