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Finding the Fourth Proportional to 653,798.21, 982,173.60 and 387,733.23

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Solution

The fourth proportional to 653,798.21, 982,173.60 and 387,733.23 is: 582,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,798.21 : 982,173.60 = 387,733.23 : x
  2. Step 2: Convert to fraction form
    653,798.21/982,173.60 = 387,733.23/x
  3. Step 3: Cross multiply
    653,798.21x = 982,173.60 × 387,733.23
  4. Step 4: Simplify right side
    653,798.21x = 380,821,342,348.73
  5. Step 5: Solve for x
    x = 380,821,342,348.73/653,798.21
  6. Step 6: Final answer
    x = 582,475.36

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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.