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Finding the Fourth Proportional to 358,536.57, 494,770.89 and 197,392.83

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Solution

The fourth proportional to 358,536.57, 494,770.89 and 197,392.83 is: 272,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,536.57 : 494,770.89 = 197,392.83 : x
  2. Step 2: Convert to fraction form
    358,536.57/494,770.89 = 197,392.83/x
  3. Step 3: Cross multiply
    358,536.57x = 494,770.89 × 197,392.83
  4. Step 4: Simplify right side
    358,536.57x = 97,664,226,178.72
  5. Step 5: Solve for x
    x = 97,664,226,178.72/358,536.57
  6. Step 6: Final answer
    x = 272,396.83

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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.