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Finding the Fourth Proportional to 443,800.84, 612,397.92 and 262,519.60

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Solution

The fourth proportional to 443,800.84, 612,397.92 and 262,519.60 is: 362,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,800.84 : 612,397.92 = 262,519.60 : x
  2. Step 2: Convert to fraction form
    443,800.84/612,397.92 = 262,519.60/x
  3. Step 3: Cross multiply
    443,800.84x = 612,397.92 × 262,519.60
  4. Step 4: Simplify right side
    443,800.84x = 160,766,456,999.23
  5. Step 5: Solve for x
    x = 160,766,456,999.23/443,800.84
  6. Step 6: Final answer
    x = 362,249.10

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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.