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Finding the Fourth Proportional to 371,192.16, 512,246.56 and 201,426.30

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Solution

The fourth proportional to 371,192.16, 512,246.56 and 201,426.30 is: 277,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,192.16 : 512,246.56 = 201,426.30 : x
  2. Step 2: Convert to fraction form
    371,192.16/512,246.56 = 201,426.30/x
  3. Step 3: Cross multiply
    371,192.16x = 512,246.56 × 201,426.30
  4. Step 4: Simplify right side
    371,192.16x = 103,179,929,268.53
  5. Step 5: Solve for x
    x = 103,179,929,268.53/371,192.16
  6. Step 6: Final answer
    x = 277,969.04

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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.