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Finding the Fourth Proportional to 662,125.80, 993,111.90 and 188,884.20

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Solution

The fourth proportional to 662,125.80, 993,111.90 and 188,884.20 is: 283,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,125.80 : 993,111.90 = 188,884.20 : x
  2. Step 2: Convert to fraction form
    662,125.80/993,111.90 = 188,884.20/x
  3. Step 3: Cross multiply
    662,125.80x = 993,111.90 × 188,884.20
  4. Step 4: Simplify right side
    662,125.80x = 187,583,146,741.98
  5. Step 5: Solve for x
    x = 187,583,146,741.98/662,125.80
  6. Step 6: Final answer
    x = 283,304.39

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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.