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Finding the Fourth Proportional to 371,448.96, 512,602.24 and 201,683.20

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Solution

The fourth proportional to 371,448.96, 512,602.24 and 201,683.20 is: 278,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,448.96 : 512,602.24 = 201,683.20 : x
  2. Step 2: Convert to fraction form
    371,448.96/512,602.24 = 201,683.20/x
  3. Step 3: Cross multiply
    371,448.96x = 512,602.24 × 201,683.20
  4. Step 4: Simplify right side
    371,448.96x = 103,383,260,090.37
  5. Step 5: Solve for x
    x = 103,383,260,090.37/371,448.96
  6. Step 6: Final answer
    x = 278,324.27

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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.