Home / 336,645.68-464,739.38-209,362.28

Finding the Fourth Proportional to 336,645.68, 464,739.38 and 209,362.28

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Solution

The fourth proportional to 336,645.68, 464,739.38 and 209,362.28 is: 289,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,645.68 : 464,739.38 = 209,362.28 : x
  2. Step 2: Convert to fraction form
    336,645.68/464,739.38 = 209,362.28/x
  3. Step 3: Cross multiply
    336,645.68x = 464,739.38 × 209,362.28
  4. Step 4: Simplify right side
    336,645.68x = 97,298,896,202.59
  5. Step 5: Solve for x
    x = 97,298,896,202.59/336,645.68
  6. Step 6: Final answer
    x = 289,024.64

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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.