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Finding the Fourth Proportional to 416,734.20, 624,859.86 and 366,914.40

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Solution

The fourth proportional to 416,734.20, 624,859.86 and 366,914.40 is: 550,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,734.20 : 624,859.86 = 366,914.40 : x
  2. Step 2: Convert to fraction form
    416,734.20/624,859.86 = 366,914.40/x
  3. Step 3: Cross multiply
    416,734.20x = 624,859.86 × 366,914.40
  4. Step 4: Simplify right side
    416,734.20x = 229,270,080,615.98
  5. Step 5: Solve for x
    x = 229,270,080,615.98/416,734.20
  6. Step 6: Final answer
    x = 550,159.02

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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.