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Finding the Fourth Proportional to 456,435.49, 629,668.75 and 295,342.39

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Solution

The fourth proportional to 456,435.49, 629,668.75 and 295,342.39 is: 407,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,435.49 : 629,668.75 = 295,342.39 : x
  2. Step 2: Convert to fraction form
    456,435.49/629,668.75 = 295,342.39/x
  3. Step 3: Cross multiply
    456,435.49x = 629,668.75 × 295,342.39
  4. Step 4: Simplify right side
    456,435.49x = 185,967,873,533.31
  5. Step 5: Solve for x
    x = 185,967,873,533.31/456,435.49
  6. Step 6: Final answer
    x = 407,435.17

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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.