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Finding the Fourth Proportional to 416,644.88, 574,811.37 and 308,010.06

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Solution

The fourth proportional to 416,644.88, 574,811.37 and 308,010.06 is: 424,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,644.88 : 574,811.37 = 308,010.06 : x
  2. Step 2: Convert to fraction form
    416,644.88/574,811.37 = 308,010.06/x
  3. Step 3: Cross multiply
    416,644.88x = 574,811.37 × 308,010.06
  4. Step 4: Simplify right side
    416,644.88x = 177,047,684,562.38
  5. Step 5: Solve for x
    x = 177,047,684,562.38/416,644.88
  6. Step 6: Final answer
    x = 424,936.67

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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.