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Finding the Fourth Proportional to 171,601,326.15, 257,401,989.23 and 171,601,326.15

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Solution

The fourth proportional to 171,601,326.15, 257,401,989.23 and 171,601,326.15 is: 257,401,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601,326.15 : 257,401,989.23 = 171,601,326.15 : x
  2. Step 2: Convert to fraction form
    171,601,326.15/257,401,989.23 = 171,601,326.15/x
  3. Step 3: Cross multiply
    171,601,326.15x = 257,401,989.23 × 171,601,326.15
  4. Step 4: Simplify right side
    171,601,326.15x = 44,170,522,704,658,008
  5. Step 5: Solve for x
    x = 44,170,522,704,658,008/171,601,326.15
  6. Step 6: Final answer
    x = 257,401,989.23

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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.