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Finding the Fourth Proportional to 295,579.30, 407,753.28 and 174,662.08

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Solution

The fourth proportional to 295,579.30, 407,753.28 and 174,662.08 is: 240,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,579.30 : 407,753.28 = 174,662.08 : x
  2. Step 2: Convert to fraction form
    295,579.30/407,753.28 = 174,662.08/x
  3. Step 3: Cross multiply
    295,579.30x = 407,753.28 × 174,662.08
  4. Step 4: Simplify right side
    295,579.30x = 71,219,036,011.62
  5. Step 5: Solve for x
    x = 71,219,036,011.62/295,579.30
  6. Step 6: Final answer
    x = 240,947.31

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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.