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Finding the Fourth Proportional to 358,550.01, 494,788.30 and 197,404.56

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Solution

The fourth proportional to 358,550.01, 494,788.30 and 197,404.56 is: 272,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,550.01 : 494,788.30 = 197,404.56 : x
  2. Step 2: Convert to fraction form
    358,550.01/494,788.30 = 197,404.56/x
  3. Step 3: Cross multiply
    358,550.01x = 494,788.30 × 197,404.56
  4. Step 4: Simplify right side
    358,550.01x = 97,673,466,161.14
  5. Step 5: Solve for x
    x = 97,673,466,161.14/358,550.01
  6. Step 6: Final answer
    x = 272,412.39

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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.