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Finding the Fourth Proportional to 302,616.60, 453,268.80 and 196,328.40

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Solution

The fourth proportional to 302,616.60, 453,268.80 and 196,328.40 is: 294,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,616.60 : 453,268.80 = 196,328.40 : x
  2. Step 2: Convert to fraction form
    302,616.60/453,268.80 = 196,328.40/x
  3. Step 3: Cross multiply
    302,616.60x = 453,268.80 × 196,328.40
  4. Step 4: Simplify right side
    302,616.60x = 88,989,538,273.92
  5. Step 5: Solve for x
    x = 88,989,538,273.92/302,616.60
  6. Step 6: Final answer
    x = 294,066.94

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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.