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Finding the Fourth Proportional to 217,215,851.40, 325,823,777.10 and 217,215,851.40

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Solution

The fourth proportional to 217,215,851.40, 325,823,777.10 and 217,215,851.40 is: 325,823,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,215,851.40 : 325,823,777.10 = 217,215,851.40 : x
  2. Step 2: Convert to fraction form
    217,215,851.40/325,823,777.10 = 217,215,851.40/x
  3. Step 3: Cross multiply
    217,215,851.40x = 325,823,777.10 × 217,215,851.40
  4. Step 4: Simplify right side
    217,215,851.40x = 70,774,089,149,140,328
  5. Step 5: Solve for x
    x = 70,774,089,149,140,328/217,215,851.40
  6. Step 6: Final answer
    x = 325,823,777.10

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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.