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Finding the Fourth Proportional to 416,423.22, 624,883.67 and 382,543.85

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Solution

The fourth proportional to 416,423.22, 624,883.67 and 382,543.85 is: 574,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,423.22 : 624,883.67 = 382,543.85 : x
  2. Step 2: Convert to fraction form
    416,423.22/624,883.67 = 382,543.85/x
  3. Step 3: Cross multiply
    416,423.22x = 624,883.67 × 382,543.85
  4. Step 4: Simplify right side
    416,423.22x = 239,045,404,923.93
  5. Step 5: Solve for x
    x = 239,045,404,923.93/416,423.22
  6. Step 6: Final answer
    x = 574,044.38

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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.