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Finding the Fourth Proportional to 340,665.36, 470,128.84 and 195,497.70

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Solution

The fourth proportional to 340,665.36, 470,128.84 and 195,497.70 is: 269,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,665.36 : 470,128.84 = 195,497.70 : x
  2. Step 2: Convert to fraction form
    340,665.36/470,128.84 = 195,497.70/x
  3. Step 3: Cross multiply
    340,665.36x = 470,128.84 × 195,497.70
  4. Step 4: Simplify right side
    340,665.36x = 91,909,106,923.67
  5. Step 5: Solve for x
    x = 91,909,106,923.67/340,665.36
  6. Step 6: Final answer
    x = 269,792.93

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1.5x scale

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.