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Finding the Fourth Proportional to 435,592.36, 656,620.54 and 397,754.92

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Solution

The fourth proportional to 435,592.36, 656,620.54 and 397,754.92 is: 599,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,592.36 : 656,620.54 = 397,754.92 : x
  2. Step 2: Convert to fraction form
    435,592.36/656,620.54 = 397,754.92/x
  3. Step 3: Cross multiply
    435,592.36x = 656,620.54 × 397,754.92
  4. Step 4: Simplify right side
    435,592.36x = 261,174,050,358.06
  5. Step 5: Solve for x
    x = 261,174,050,358.06/435,592.36
  6. Step 6: Final answer
    x = 599,583.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.