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Finding the Fourth Proportional to 702,141.24, 968,950.92 and 379,850.40

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Solution

The fourth proportional to 702,141.24, 968,950.92 and 379,850.40 is: 524,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,141.24 : 968,950.92 = 379,850.40 : x
  2. Step 2: Convert to fraction form
    702,141.24/968,950.92 = 379,850.40/x
  3. Step 3: Cross multiply
    702,141.24x = 968,950.92 × 379,850.40
  4. Step 4: Simplify right side
    702,141.24x = 368,056,394,542.37
  5. Step 5: Solve for x
    x = 368,056,394,542.37/702,141.24
  6. Step 6: Final answer
    x = 524,191.39

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1.5x scale

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.