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Finding the Fourth Proportional to 358,197.12, 494,298.72 and 197,041.68

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Solution

The fourth proportional to 358,197.12, 494,298.72 and 197,041.68 is: 271,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,197.12 : 494,298.72 = 197,041.68 : x
  2. Step 2: Convert to fraction form
    358,197.12/494,298.72 = 197,041.68/x
  3. Step 3: Cross multiply
    358,197.12x = 494,298.72 × 197,041.68
  4. Step 4: Simplify right side
    358,197.12x = 97,397,450,210.65
  5. Step 5: Solve for x
    x = 97,397,450,210.65/358,197.12
  6. Step 6: Final answer
    x = 271,910.20

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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.