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Finding the Fourth Proportional to 722,229.26, 996,674.76 and 416,303.61

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Solution

The fourth proportional to 722,229.26, 996,674.76 and 416,303.61 is: 574,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,229.26 : 996,674.76 = 416,303.61 : x
  2. Step 2: Convert to fraction form
    722,229.26/996,674.76 = 416,303.61/x
  3. Step 3: Cross multiply
    722,229.26x = 996,674.76 × 416,303.61
  4. Step 4: Simplify right side
    722,229.26x = 414,919,300,583.88
  5. Step 5: Solve for x
    x = 414,919,300,583.88/722,229.26
  6. Step 6: Final answer
    x = 574,498.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.