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Finding the Fourth Proportional to 463,454.40, 695,246.40 and 197,212.80

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Solution

The fourth proportional to 463,454.40, 695,246.40 and 197,212.80 is: 295,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,454.40 : 695,246.40 = 197,212.80 : x
  2. Step 2: Convert to fraction form
    463,454.40/695,246.40 = 197,212.80/x
  3. Step 3: Cross multiply
    463,454.40x = 695,246.40 × 197,212.80
  4. Step 4: Simplify right side
    463,454.40x = 137,111,489,233.92
  5. Step 5: Solve for x
    x = 137,111,489,233.92/463,454.40
  6. Step 6: Final answer
    x = 295,846.77

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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.