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Finding the Fourth Proportional to 196,338.60, 294,945.30 and 188,368.20

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Solution

The fourth proportional to 196,338.60, 294,945.30 and 188,368.20 is: 282,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,338.60 : 294,945.30 = 188,368.20 : x
  2. Step 2: Convert to fraction form
    196,338.60/294,945.30 = 188,368.20/x
  3. Step 3: Cross multiply
    196,338.60x = 294,945.30 × 188,368.20
  4. Step 4: Simplify right side
    196,338.60x = 55,558,315,259.46
  5. Step 5: Solve for x
    x = 55,558,315,259.46/196,338.60
  6. Step 6: Final answer
    x = 282,971.94

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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.