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Finding the Fourth Proportional to 246,412.40, 369,618.60 and 221,480.60

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Solution

The fourth proportional to 246,412.40, 369,618.60 and 221,480.60 is: 332,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,412.40 : 369,618.60 = 221,480.60 : x
  2. Step 2: Convert to fraction form
    246,412.40/369,618.60 = 221,480.60/x
  3. Step 3: Cross multiply
    246,412.40x = 369,618.60 × 221,480.60
  4. Step 4: Simplify right side
    246,412.40x = 81,863,349,299.16
  5. Step 5: Solve for x
    x = 81,863,349,299.16/246,412.40
  6. Step 6: Final answer
    x = 332,220.90

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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.