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Finding the Fourth Proportional to 371,270.06, 512,352.60 and 201,504.20

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Solution

The fourth proportional to 371,270.06, 512,352.60 and 201,504.20 is: 278,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,270.06 : 512,352.60 = 201,504.20 : x
  2. Step 2: Convert to fraction form
    371,270.06/512,352.60 = 201,504.20/x
  3. Step 3: Cross multiply
    371,270.06x = 512,352.60 × 201,504.20
  4. Step 4: Simplify right side
    371,270.06x = 103,241,200,780.92
  5. Step 5: Solve for x
    x = 103,241,200,780.92/371,270.06
  6. Step 6: Final answer
    x = 278,075.75

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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.