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Finding the Fourth Proportional to 607,982.22, 839,016.36 and 366,274.98

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Solution

The fourth proportional to 607,982.22, 839,016.36 and 366,274.98 is: 505,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,982.22 : 839,016.36 = 366,274.98 : x
  2. Step 2: Convert to fraction form
    607,982.22/839,016.36 = 366,274.98/x
  3. Step 3: Cross multiply
    607,982.22x = 839,016.36 × 366,274.98
  4. Step 4: Simplify right side
    607,982.22x = 307,310,700,478.67
  5. Step 5: Solve for x
    x = 307,310,700,478.67/607,982.22
  6. Step 6: Final answer
    x = 505,460.01

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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.