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Finding the Fourth Proportional to 702,295.12, 969,159.99 and 379,998.10

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Solution

The fourth proportional to 702,295.12, 969,159.99 and 379,998.10 is: 524,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,295.12 : 969,159.99 = 379,998.10 : x
  2. Step 2: Convert to fraction form
    702,295.12/969,159.99 = 379,998.10/x
  3. Step 3: Cross multiply
    702,295.12x = 969,159.99 × 379,998.10
  4. Step 4: Simplify right side
    702,295.12x = 368,278,954,796.02
  5. Step 5: Solve for x
    x = 368,278,954,796.02/702,295.12
  6. Step 6: Final answer
    x = 524,393.44

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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.