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Finding the Fourth Proportional to 439,064, 605,914.80 and 237,860

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Solution

The fourth proportional to 439,064, 605,914.80 and 237,860 is: 328,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,064 : 605,914.80 = 237,860 : x
  2. Step 2: Convert to fraction form
    439,064/605,914.80 = 237,860/x
  3. Step 3: Cross multiply
    439,064x = 605,914.80 × 237,860
  4. Step 4: Simplify right side
    439,064x = 144,122,894,328
  5. Step 5: Solve for x
    x = 144,122,894,328/439,064
  6. Step 6: Final answer
    x = 328,250.31

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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.