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Finding the Fourth Proportional to 642,523.03, 962,770.64 and 237,157.30

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Solution

The fourth proportional to 642,523.03, 962,770.64 and 237,157.30 is: 355,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,523.03 : 962,770.64 = 237,157.30 : x
  2. Step 2: Convert to fraction form
    642,523.03/962,770.64 = 237,157.30/x
  3. Step 3: Cross multiply
    642,523.03x = 962,770.64 × 237,157.30
  4. Step 4: Simplify right side
    642,523.03x = 228,328,085,519.35
  5. Step 5: Solve for x
    x = 228,328,085,519.35/642,523.03
  6. Step 6: Final answer
    x = 355,361.72

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1.5x scale

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.