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Finding the Fourth Proportional to 196,340.40, 294,510.60 and 170,679.60

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Solution

The fourth proportional to 196,340.40, 294,510.60 and 170,679.60 is: 256,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,340.40 : 294,510.60 = 170,679.60 : x
  2. Step 2: Convert to fraction form
    196,340.40/294,510.60 = 170,679.60/x
  3. Step 3: Cross multiply
    196,340.40x = 294,510.60 × 170,679.60
  4. Step 4: Simplify right side
    196,340.40x = 50,266,951,403.76
  5. Step 5: Solve for x
    x = 50,266,951,403.76/196,340.40
  6. Step 6: Final answer
    x = 256,019.40

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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.