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Finding the Fourth Proportional to 440,736.64, 608,509.44 and 338,580.16

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Solution

The fourth proportional to 440,736.64, 608,509.44 and 338,580.16 is: 467,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,736.64 : 608,509.44 = 338,580.16 : x
  2. Step 2: Convert to fraction form
    440,736.64/608,509.44 = 338,580.16/x
  3. Step 3: Cross multiply
    440,736.64x = 608,509.44 × 338,580.16
  4. Step 4: Simplify right side
    440,736.64x = 206,029,223,556.71
  5. Step 5: Solve for x
    x = 206,029,223,556.71/440,736.64
  6. Step 6: Final answer
    x = 467,465.61

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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.