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Finding the Fourth Proportional to 416,543.38, 574,818.28 and 246,777.50

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Solution

The fourth proportional to 416,543.38, 574,818.28 and 246,777.50 is: 340,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,543.38 : 574,818.28 = 246,777.50 : x
  2. Step 2: Convert to fraction form
    416,543.38/574,818.28 = 246,777.50/x
  3. Step 3: Cross multiply
    416,543.38x = 574,818.28 × 246,777.50
  4. Step 4: Simplify right side
    416,543.38x = 141,852,218,912.80
  5. Step 5: Solve for x
    x = 141,852,218,912.80/416,543.38
  6. Step 6: Final answer
    x = 340,546.09

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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.