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Finding the Fourth Proportional to 443,560.23, 612,112.52 and 252,573.62

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Solution

The fourth proportional to 443,560.23, 612,112.52 and 252,573.62 is: 348,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,560.23 : 612,112.52 = 252,573.62 : x
  2. Step 2: Convert to fraction form
    443,560.23/612,112.52 = 252,573.62/x
  3. Step 3: Cross multiply
    443,560.23x = 612,112.52 × 252,573.62
  4. Step 4: Simplify right side
    443,560.23x = 154,603,473,760.85
  5. Step 5: Solve for x
    x = 154,603,473,760.85/443,560.23
  6. Step 6: Final answer
    x = 348,551.25

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1.5x scale

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.