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Finding the Fourth Proportional to 358,343.78, 494,502.03 and 197,183.75

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Solution

The fourth proportional to 358,343.78, 494,502.03 and 197,183.75 is: 272,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,343.78 : 494,502.03 = 197,183.75 : x
  2. Step 2: Convert to fraction form
    358,343.78/494,502.03 = 197,183.75/x
  3. Step 3: Cross multiply
    358,343.78x = 494,502.03 × 197,183.75
  4. Step 4: Simplify right side
    358,343.78x = 97,507,762,185.50
  5. Step 5: Solve for x
    x = 97,507,762,185.50/358,343.78
  6. Step 6: Final answer
    x = 272,106.76

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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.