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Finding the Fourth Proportional to 456,448.51, 629,686.68 and 295,355.56

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Solution

The fourth proportional to 456,448.51, 629,686.68 and 295,355.56 is: 407,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,448.51 : 629,686.68 = 295,355.56 : x
  2. Step 2: Convert to fraction form
    456,448.51/629,686.68 = 295,355.56/x
  3. Step 3: Cross multiply
    456,448.51x = 629,686.68 × 295,355.56
  4. Step 4: Simplify right side
    456,448.51x = 185,981,461,995.94
  5. Step 5: Solve for x
    x = 185,981,461,995.94/456,448.51
  6. Step 6: Final answer
    x = 407,453.32

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1.5x scale

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.