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Finding the Fourth Proportional to 323,700.48, 446,453.44 and 210,559.36

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Solution

The fourth proportional to 323,700.48, 446,453.44 and 210,559.36 is: 290,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,700.48 : 446,453.44 = 210,559.36 : x
  2. Step 2: Convert to fraction form
    323,700.48/446,453.44 = 210,559.36/x
  3. Step 3: Cross multiply
    323,700.48x = 446,453.44 × 210,559.36
  4. Step 4: Simplify right side
    323,700.48x = 94,004,950,596.20
  5. Step 5: Solve for x
    x = 94,004,950,596.20/323,700.48
  6. Step 6: Final answer
    x = 290,407.20

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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.