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Finding the Fourth Proportional to 702,244.37, 969,090.35 and 379,947.40

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Solution

The fourth proportional to 702,244.37, 969,090.35 and 379,947.40 is: 524,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,244.37 : 969,090.35 = 379,947.40 : x
  2. Step 2: Convert to fraction form
    702,244.37/969,090.35 = 379,947.40/x
  3. Step 3: Cross multiply
    702,244.37x = 969,090.35 × 379,947.40
  4. Step 4: Simplify right side
    702,244.37x = 368,203,354,525.13
  5. Step 5: Solve for x
    x = 368,203,354,525.13/702,244.37
  6. Step 6: Final answer
    x = 524,323.68

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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.