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Finding the Fourth Proportional to 371,191.02, 512,245.01 and 201,425.16

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Solution

The fourth proportional to 371,191.02, 512,245.01 and 201,425.16 is: 277,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,191.02 : 512,245.01 = 201,425.16 : x
  2. Step 2: Convert to fraction form
    371,191.02/512,245.01 = 201,425.16/x
  3. Step 3: Cross multiply
    371,191.02x = 512,245.01 × 201,425.16
  4. Step 4: Simplify right side
    371,191.02x = 103,179,032,091.33
  5. Step 5: Solve for x
    x = 103,179,032,091.33/371,191.02
  6. Step 6: Final answer
    x = 277,967.48

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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.