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Finding the Fourth Proportional to 336,133.45, 470,936.75 and 336,133.45

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Solution

The fourth proportional to 336,133.45, 470,936.75 and 336,133.45 is: 470,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,133.45 : 470,936.75 = 336,133.45 : x
  2. Step 2: Convert to fraction form
    336,133.45/470,936.75 = 336,133.45/x
  3. Step 3: Cross multiply
    336,133.45x = 470,936.75 × 336,133.45
  4. Step 4: Simplify right side
    336,133.45x = 158,297,594,509.29
  5. Step 5: Solve for x
    x = 158,297,594,509.29/336,133.45
  6. Step 6: Final answer
    x = 470,936.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.