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Finding the Fourth Proportional to 370,229.40, 554,906.70 and 276,625.80

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Solution

The fourth proportional to 370,229.40, 554,906.70 and 276,625.80 is: 414,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,229.40 : 554,906.70 = 276,625.80 : x
  2. Step 2: Convert to fraction form
    370,229.40/554,906.70 = 276,625.80/x
  3. Step 3: Cross multiply
    370,229.40x = 554,906.70 × 276,625.80
  4. Step 4: Simplify right side
    370,229.40x = 153,501,509,812.86
  5. Step 5: Solve for x
    x = 153,501,509,812.86/370,229.40
  6. Step 6: Final answer
    x = 414,611.89

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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.