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Finding the Fourth Proportional to 446,995.01, 616,860.82 and 243,047.30

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Solution

The fourth proportional to 446,995.01, 616,860.82 and 243,047.30 is: 335,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,995.01 : 616,860.82 = 243,047.30 : x
  2. Step 2: Convert to fraction form
    446,995.01/616,860.82 = 243,047.30/x
  3. Step 3: Cross multiply
    446,995.01x = 616,860.82 × 243,047.30
  4. Step 4: Simplify right side
    446,995.01x = 149,926,359,726.73
  5. Step 5: Solve for x
    x = 149,926,359,726.73/446,995.01
  6. Step 6: Final answer
    x = 335,409.47

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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.