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Finding the Fourth Proportional to 471,655.80, 649,645.20 and 362,551.44

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Solution

The fourth proportional to 471,655.80, 649,645.20 and 362,551.44 is: 499,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,655.80 : 649,645.20 = 362,551.44 : x
  2. Step 2: Convert to fraction form
    471,655.80/649,645.20 = 362,551.44/x
  3. Step 3: Cross multiply
    471,655.80x = 649,645.20 × 362,551.44
  4. Step 4: Simplify right side
    471,655.80x = 235,529,802,749.09
  5. Step 5: Solve for x
    x = 235,529,802,749.09/471,655.80
  6. Step 6: Final answer
    x = 499,367.98

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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.