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Finding the Fourth Proportional to 456,447.51, 629,685.30 and 295,354.56

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Solution

The fourth proportional to 456,447.51, 629,685.30 and 295,354.56 is: 407,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,447.51 : 629,685.30 = 295,354.56 : x
  2. Step 2: Convert to fraction form
    456,447.51/629,685.30 = 295,354.56/x
  3. Step 3: Cross multiply
    456,447.51x = 629,685.30 × 295,354.56
  4. Step 4: Simplify right side
    456,447.51x = 185,980,424,719.97
  5. Step 5: Solve for x
    x = 185,980,424,719.97/456,447.51
  6. Step 6: Final answer
    x = 407,451.94

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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.