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Finding the Fourth Proportional to 368,162.20, 552,243.30 and 362,913.40

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Solution

The fourth proportional to 368,162.20, 552,243.30 and 362,913.40 is: 544,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,162.20 : 552,243.30 = 362,913.40 : x
  2. Step 2: Convert to fraction form
    368,162.20/552,243.30 = 362,913.40/x
  3. Step 3: Cross multiply
    368,162.20x = 552,243.30 × 362,913.40
  4. Step 4: Simplify right side
    368,162.20x = 200,416,493,630.22
  5. Step 5: Solve for x
    x = 200,416,493,630.22/368,162.20
  6. Step 6: Final answer
    x = 544,370.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.