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Finding the Fourth Proportional to 548,613.68, 822,914.58 and 416,306.48

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Solution

The fourth proportional to 548,613.68, 822,914.58 and 416,306.48 is: 624,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,613.68 : 822,914.58 = 416,306.48 : x
  2. Step 2: Convert to fraction form
    548,613.68/822,914.58 = 416,306.48/x
  3. Step 3: Cross multiply
    548,613.68x = 822,914.58 × 416,306.48
  4. Step 4: Simplify right side
    548,613.68x = 342,584,672,140.48
  5. Step 5: Solve for x
    x = 342,584,672,140.48/548,613.68
  6. Step 6: Final answer
    x = 624,455.21

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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.