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Finding the Fourth Proportional to 366,133.76, 505,004 and 336,016.32

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Solution

The fourth proportional to 366,133.76, 505,004 and 336,016.32 is: 463,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,133.76 : 505,004 = 336,016.32 : x
  2. Step 2: Convert to fraction form
    366,133.76/505,004 = 336,016.32/x
  3. Step 3: Cross multiply
    366,133.76x = 505,004 × 336,016.32
  4. Step 4: Simplify right side
    366,133.76x = 169,689,585,665.28
  5. Step 5: Solve for x
    x = 169,689,585,665.28/366,133.76
  6. Step 6: Final answer
    x = 463,463.37

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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.