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Finding the Fourth Proportional to 307,548.40, 461,322.60 and 188,834.80

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Solution

The fourth proportional to 307,548.40, 461,322.60 and 188,834.80 is: 283,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,548.40 : 461,322.60 = 188,834.80 : x
  2. Step 2: Convert to fraction form
    307,548.40/461,322.60 = 188,834.80/x
  3. Step 3: Cross multiply
    307,548.40x = 461,322.60 × 188,834.80
  4. Step 4: Simplify right side
    307,548.40x = 87,113,760,906.48
  5. Step 5: Solve for x
    x = 87,113,760,906.48/307,548.40
  6. Step 6: Final answer
    x = 283,252.20

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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.