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Finding the Fourth Proportional to 341,198.80, 511,798.20 and 163,614.40

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Solution

The fourth proportional to 341,198.80, 511,798.20 and 163,614.40 is: 245,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,198.80 : 511,798.20 = 163,614.40 : x
  2. Step 2: Convert to fraction form
    341,198.80/511,798.20 = 163,614.40/x
  3. Step 3: Cross multiply
    341,198.80x = 511,798.20 × 163,614.40
  4. Step 4: Simplify right side
    341,198.80x = 83,737,555,414.08
  5. Step 5: Solve for x
    x = 83,737,555,414.08/341,198.80
  6. Step 6: Final answer
    x = 245,421.60

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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.