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Finding the Fourth Proportional to 340,792.70, 511,283.87 and 148,683.92

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Solution

The fourth proportional to 340,792.70, 511,283.87 and 148,683.92 is: 223,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,792.70 : 511,283.87 = 148,683.92 : x
  2. Step 2: Convert to fraction form
    340,792.70/511,283.87 = 148,683.92/x
  3. Step 3: Cross multiply
    340,792.70x = 511,283.87 × 148,683.92
  4. Step 4: Simplify right side
    340,792.70x = 76,019,686,724.53
  5. Step 5: Solve for x
    x = 76,019,686,724.53/340,792.70
  6. Step 6: Final answer
    x = 223,067.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.