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Finding the Fourth Proportional to 453,550.08, 680,101.56 and 153,921.36

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Solution

The fourth proportional to 453,550.08, 680,101.56 and 153,921.36 is: 230,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,550.08 : 680,101.56 = 153,921.36 : x
  2. Step 2: Convert to fraction form
    453,550.08/680,101.56 = 153,921.36/x
  3. Step 3: Cross multiply
    453,550.08x = 680,101.56 × 153,921.36
  4. Step 4: Simplify right side
    453,550.08x = 104,682,157,053.32
  5. Step 5: Solve for x
    x = 104,682,157,053.32/453,550.08
  6. Step 6: Final answer
    x = 230,806.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.