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Finding the Fourth Proportional to 335,600.40, 503,400.60 and 186,301.20

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Solution

The fourth proportional to 335,600.40, 503,400.60 and 186,301.20 is: 279,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,600.40 : 503,400.60 = 186,301.20 : x
  2. Step 2: Convert to fraction form
    335,600.40/503,400.60 = 186,301.20/x
  3. Step 3: Cross multiply
    335,600.40x = 503,400.60 × 186,301.20
  4. Step 4: Simplify right side
    335,600.40x = 93,784,135,860.72
  5. Step 5: Solve for x
    x = 93,784,135,860.72/335,600.40
  6. Step 6: Final answer
    x = 279,451.80

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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.