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Finding the Fourth Proportional to 443,801.84, 612,399.30 and 262,520.60

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Solution

The fourth proportional to 443,801.84, 612,399.30 and 262,520.60 is: 362,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,801.84 : 612,399.30 = 262,520.60 : x
  2. Step 2: Convert to fraction form
    443,801.84/612,399.30 = 262,520.60/x
  3. Step 3: Cross multiply
    443,801.84x = 612,399.30 × 262,520.60
  4. Step 4: Simplify right side
    443,801.84x = 160,767,431,675.58
  5. Step 5: Solve for x
    x = 160,767,431,675.58/443,801.84
  6. Step 6: Final answer
    x = 362,250.48

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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.