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Finding the Fourth Proportional to 371,085.67, 512,098.41 and 201,319.75

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Solution

The fourth proportional to 371,085.67, 512,098.41 and 201,319.75 is: 277,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,085.67 : 512,098.41 = 201,319.75 : x
  2. Step 2: Convert to fraction form
    371,085.67/512,098.41 = 201,319.75/x
  3. Step 3: Cross multiply
    371,085.67x = 512,098.41 × 201,319.75
  4. Step 4: Simplify right side
    371,085.67x = 103,095,523,876.60
  5. Step 5: Solve for x
    x = 103,095,523,876.60/371,085.67
  6. Step 6: Final answer
    x = 277,821.36

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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.