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Finding the Fourth Proportional to 683,969.35, 943,881.39 and 373,872.34

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Solution

The fourth proportional to 683,969.35, 943,881.39 and 373,872.34 is: 515,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,969.35 : 943,881.39 = 373,872.34 : x
  2. Step 2: Convert to fraction form
    683,969.35/943,881.39 = 373,872.34/x
  3. Step 3: Cross multiply
    683,969.35x = 943,881.39 × 373,872.34
  4. Step 4: Simplify right side
    683,969.35x = 352,891,143,961.75
  5. Step 5: Solve for x
    x = 352,891,143,961.75/683,969.35
  6. Step 6: Final answer
    x = 515,945.84

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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.