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Finding the Fourth Proportional to 443,693.16, 612,422.16 and 262,468.09

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Solution

The fourth proportional to 443,693.16, 612,422.16 and 262,468.09 is: 362,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,693.16 : 612,422.16 = 262,468.09 : x
  2. Step 2: Convert to fraction form
    443,693.16/612,422.16 = 262,468.09/x
  3. Step 3: Cross multiply
    443,693.16x = 612,422.16 × 262,468.09
  4. Step 4: Simplify right side
    443,693.16x = 160,741,274,608.87
  5. Step 5: Solve for x
    x = 160,741,274,608.87/443,693.16
  6. Step 6: Final answer
    x = 362,280.26

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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.