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Finding the Fourth Proportional to 358,445.74, 494,651.19 and 197,297.32

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Solution

The fourth proportional to 358,445.74, 494,651.19 and 197,297.32 is: 272,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,445.74 : 494,651.19 = 197,297.32 : x
  2. Step 2: Convert to fraction form
    358,445.74/494,651.19 = 197,297.32/x
  3. Step 3: Cross multiply
    358,445.74x = 494,651.19 × 197,297.32
  4. Step 4: Simplify right side
    358,445.74x = 97,593,354,121.81
  5. Step 5: Solve for x
    x = 97,593,354,121.81/358,445.74
  6. Step 6: Final answer
    x = 272,268.14

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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.