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Finding the Fourth Proportional to 371,160.39, 512,207.31 and 201,394.52

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Solution

The fourth proportional to 371,160.39, 512,207.31 and 201,394.52 is: 277,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,160.39 : 512,207.31 = 201,394.52 : x
  2. Step 2: Convert to fraction form
    371,160.39/512,207.31 = 201,394.52/x
  3. Step 3: Cross multiply
    371,160.39x = 512,207.31 × 201,394.52
  4. Step 4: Simplify right side
    371,160.39x = 103,155,745,452.91
  5. Step 5: Solve for x
    x = 103,155,745,452.91/371,160.39
  6. Step 6: Final answer
    x = 277,927.68

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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.