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Finding the Fourth Proportional to 622,692, 934,038 and 201,967.88

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Solution

The fourth proportional to 622,692, 934,038 and 201,967.88 is: 302,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,692 : 934,038 = 201,967.88 : x
  2. Step 2: Convert to fraction form
    622,692/934,038 = 201,967.88/x
  3. Step 3: Cross multiply
    622,692x = 934,038 × 201,967.88
  4. Step 4: Simplify right side
    622,692x = 188,645,670,029.25
  5. Step 5: Solve for x
    x = 188,645,670,029.25/622,692
  6. Step 6: Final answer
    x = 302,951.81

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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.