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Finding the Fourth Proportional to 344,893.10, 475,968.05 and 193,990.10

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Solution

The fourth proportional to 344,893.10, 475,968.05 and 193,990.10 is: 267,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,893.10 : 475,968.05 = 193,990.10 : x
  2. Step 2: Convert to fraction form
    344,893.10/475,968.05 = 193,990.10/x
  3. Step 3: Cross multiply
    344,893.10x = 475,968.05 × 193,990.10
  4. Step 4: Simplify right side
    344,893.10x = 92,333,089,616.31
  5. Step 5: Solve for x
    x = 92,333,089,616.31/344,893.10
  6. Step 6: Final answer
    x = 267,715.10

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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.