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Finding the Fourth Proportional to 436,567.74, 654,851.79 and 196,401.12

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Solution

The fourth proportional to 436,567.74, 654,851.79 and 196,401.12 is: 294,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,567.74 : 654,851.79 = 196,401.12 : x
  2. Step 2: Convert to fraction form
    436,567.74/654,851.79 = 196,401.12/x
  3. Step 3: Cross multiply
    436,567.74x = 654,851.79 × 196,401.12
  4. Step 4: Simplify right side
    436,567.74x = 128,613,624,990.01
  5. Step 5: Solve for x
    x = 128,613,624,990.01/436,567.74
  6. Step 6: Final answer
    x = 294,601.76

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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.