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Finding the Fourth Proportional to 371,304.01, 512,402.16 and 201,538.12

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Solution

The fourth proportional to 371,304.01, 512,402.16 and 201,538.12 is: 278,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,304.01 : 512,402.16 = 201,538.12 : x
  2. Step 2: Convert to fraction form
    371,304.01/512,402.16 = 201,538.12/x
  3. Step 3: Cross multiply
    371,304.01x = 512,402.16 × 201,538.12
  4. Step 4: Simplify right side
    371,304.01x = 103,268,568,010.34
  5. Step 5: Solve for x
    x = 103,268,568,010.34/371,304.01
  6. Step 6: Final answer
    x = 278,124.03

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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.