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Finding the Fourth Proportional to 341,291.60, 512,326.20 and 201,129.20

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Solution

The fourth proportional to 341,291.60, 512,326.20 and 201,129.20 is: 301,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,291.60 : 512,326.20 = 201,129.20 : x
  2. Step 2: Convert to fraction form
    341,291.60/512,326.20 = 201,129.20/x
  3. Step 3: Cross multiply
    341,291.60x = 512,326.20 × 201,129.20
  4. Step 4: Simplify right side
    341,291.60x = 103,043,758,745.04
  5. Step 5: Solve for x
    x = 103,043,758,745.04/341,291.60
  6. Step 6: Final answer
    x = 301,922.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.