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Finding the Fourth Proportional to 196,507.20, 294,760.80 and 174,734.40

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Solution

The fourth proportional to 196,507.20, 294,760.80 and 174,734.40 is: 262,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,507.20 : 294,760.80 = 174,734.40 : x
  2. Step 2: Convert to fraction form
    196,507.20/294,760.80 = 174,734.40/x
  3. Step 3: Cross multiply
    196,507.20x = 294,760.80 × 174,734.40
  4. Step 4: Simplify right side
    196,507.20x = 51,504,851,531.52
  5. Step 5: Solve for x
    x = 51,504,851,531.52/196,507.20
  6. Step 6: Final answer
    x = 262,101.60

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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.