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Finding the Fourth Proportional to 371,191.17, 512,244.24 and 201,425.31

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Solution

The fourth proportional to 371,191.17, 512,244.24 and 201,425.31 is: 277,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,191.17 : 512,244.24 = 201,425.31 : x
  2. Step 2: Convert to fraction form
    371,191.17/512,244.24 = 201,425.31/x
  3. Step 3: Cross multiply
    371,191.17x = 512,244.24 × 201,425.31
  4. Step 4: Simplify right side
    371,191.17x = 103,178,954,837.71
  5. Step 5: Solve for x
    x = 103,178,954,837.71/371,191.17
  6. Step 6: Final answer
    x = 277,967.16

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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.