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Finding the Fourth Proportional to 264,902.80, 397,354.20 and 170,424.40

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Solution

The fourth proportional to 264,902.80, 397,354.20 and 170,424.40 is: 255,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,902.80 : 397,354.20 = 170,424.40 : x
  2. Step 2: Convert to fraction form
    264,902.80/397,354.20 = 170,424.40/x
  3. Step 3: Cross multiply
    264,902.80x = 397,354.20 × 170,424.40
  4. Step 4: Simplify right side
    264,902.80x = 67,718,851,122.48
  5. Step 5: Solve for x
    x = 67,718,851,122.48/264,902.80
  6. Step 6: Final answer
    x = 255,636.60

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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.