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Finding the Fourth Proportional to 358,682.51, 494,975.84 and 197,552.57

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Solution

The fourth proportional to 358,682.51, 494,975.84 and 197,552.57 is: 272,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,682.51 : 494,975.84 = 197,552.57 : x
  2. Step 2: Convert to fraction form
    358,682.51/494,975.84 = 197,552.57/x
  3. Step 3: Cross multiply
    358,682.51x = 494,975.84 × 197,552.57
  4. Step 4: Simplify right side
    358,682.51x = 97,783,745,817.27
  5. Step 5: Solve for x
    x = 97,783,745,817.27/358,682.51
  6. Step 6: Final answer
    x = 272,619.22

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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.