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Finding the Fourth Proportional to 548,522.80, 822,630.60 and 174,660.40

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Solution

The fourth proportional to 548,522.80, 822,630.60 and 174,660.40 is: 261,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,522.80 : 822,630.60 = 174,660.40 : x
  2. Step 2: Convert to fraction form
    548,522.80/822,630.60 = 174,660.40/x
  3. Step 3: Cross multiply
    548,522.80x = 822,630.60 × 174,660.40
  4. Step 4: Simplify right side
    548,522.80x = 143,680,989,648.24
  5. Step 5: Solve for x
    x = 143,680,989,648.24/548,522.80
  6. Step 6: Final answer
    x = 261,941.69

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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.