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Finding the Fourth Proportional to 737,900.64, 1,018,323.36 and 451,415.52

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Solution

The fourth proportional to 737,900.64, 1,018,323.36 and 451,415.52 is: 622,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,900.64 : 1,018,323.36 = 451,415.52 : x
  2. Step 2: Convert to fraction form
    737,900.64/1,018,323.36 = 451,415.52/x
  3. Step 3: Cross multiply
    737,900.64x = 1,018,323.36 × 451,415.52
  4. Step 4: Simplify right side
    737,900.64x = 459,686,969,082.55
  5. Step 5: Solve for x
    x = 459,686,969,082.55/737,900.64
  6. Step 6: Final answer
    x = 622,965.94

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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.