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Finding the Fourth Proportional to 231,329.60, 347,685.60 and 200,916.80

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Solution

The fourth proportional to 231,329.60, 347,685.60 and 200,916.80 is: 301,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,329.60 : 347,685.60 = 200,916.80 : x
  2. Step 2: Convert to fraction form
    231,329.60/347,685.60 = 200,916.80/x
  3. Step 3: Cross multiply
    231,329.60x = 347,685.60 × 200,916.80
  4. Step 4: Simplify right side
    231,329.60x = 69,855,878,158.08
  5. Step 5: Solve for x
    x = 69,855,878,158.08/231,329.60
  6. Step 6: Final answer
    x = 301,975.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.