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Finding the Fourth Proportional to 417,349.49, 575,942.31 and 236,057.51

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Solution

The fourth proportional to 417,349.49, 575,942.31 and 236,057.51 is: 325,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,349.49 : 575,942.31 = 236,057.51 : x
  2. Step 2: Convert to fraction form
    417,349.49/575,942.31 = 236,057.51/x
  3. Step 3: Cross multiply
    417,349.49x = 575,942.31 × 236,057.51
  4. Step 4: Simplify right side
    417,349.49x = 135,955,509,042.10
  5. Step 5: Solve for x
    x = 135,955,509,042.10/417,349.49
  6. Step 6: Final answer
    x = 325,759.38

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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.