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Finding the Fourth Proportional to 417,338.67, 575,940.41 and 236,047.05

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Solution

The fourth proportional to 417,338.67, 575,940.41 and 236,047.05 is: 325,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,338.67 : 575,940.41 = 236,047.05 : x
  2. Step 2: Convert to fraction form
    417,338.67/575,940.41 = 236,047.05/x
  3. Step 3: Cross multiply
    417,338.67x = 575,940.41 × 236,047.05
  4. Step 4: Simplify right side
    417,338.67x = 135,949,034,756.29
  5. Step 5: Solve for x
    x = 135,949,034,756.29/417,338.67
  6. Step 6: Final answer
    x = 325,752.31

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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.