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Finding the Fourth Proportional to 371,241.20, 512,314.68 and 201,475.52

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Solution

The fourth proportional to 371,241.20, 512,314.68 and 201,475.52 is: 278,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,241.20 : 512,314.68 = 201,475.52 : x
  2. Step 2: Convert to fraction form
    371,241.20/512,314.68 = 201,475.52/x
  3. Step 3: Cross multiply
    371,241.20x = 512,314.68 × 201,475.52
  4. Step 4: Simplify right side
    371,241.20x = 103,218,866,556.63
  5. Step 5: Solve for x
    x = 103,218,866,556.63/371,241.20
  6. Step 6: Final answer
    x = 278,037.21

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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.