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Finding the Fourth Proportional to 439,042, 605,884.44 and 237,838

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Solution

The fourth proportional to 439,042, 605,884.44 and 237,838 is: 328,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,042 : 605,884.44 = 237,838 : x
  2. Step 2: Convert to fraction form
    439,042/605,884.44 = 237,838/x
  3. Step 3: Cross multiply
    439,042x = 605,884.44 × 237,838
  4. Step 4: Simplify right side
    439,042x = 144,102,343,440.72
  5. Step 5: Solve for x
    x = 144,102,343,440.72/439,042
  6. Step 6: Final answer
    x = 328,219.95

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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.