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Finding the Fourth Proportional to 605,978.04, 836,425.26 and 351,386.04

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Solution

The fourth proportional to 605,978.04, 836,425.26 and 351,386.04 is: 485,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,978.04 : 836,425.26 = 351,386.04 : x
  2. Step 2: Convert to fraction form
    605,978.04/836,425.26 = 351,386.04/x
  3. Step 3: Cross multiply
    605,978.04x = 836,425.26 × 351,386.04
  4. Step 4: Simplify right side
    605,978.04x = 293,908,159,867.37
  5. Step 5: Solve for x
    x = 293,908,159,867.37/605,978.04
  6. Step 6: Final answer
    x = 485,014.54

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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.