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Finding the Fourth Proportional to 504,961, 696,868.42 and 290,168.44

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Solution

The fourth proportional to 504,961, 696,868.42 and 290,168.44 is: 400,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,961 : 696,868.42 = 290,168.44 : x
  2. Step 2: Convert to fraction form
    504,961/696,868.42 = 290,168.44/x
  3. Step 3: Cross multiply
    504,961x = 696,868.42 × 290,168.44
  4. Step 4: Simplify right side
    504,961x = 202,209,222,316.67
  5. Step 5: Solve for x
    x = 202,209,222,316.67/504,961
  6. Step 6: Final answer
    x = 400,445.23

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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.