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Finding the Fourth Proportional to 316,683.99, 437,007.24 and 173,440.98

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Solution

The fourth proportional to 316,683.99, 437,007.24 and 173,440.98 is: 239,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,683.99 : 437,007.24 = 173,440.98 : x
  2. Step 2: Convert to fraction form
    316,683.99/437,007.24 = 173,440.98/x
  3. Step 3: Cross multiply
    316,683.99x = 437,007.24 × 173,440.98
  4. Step 4: Simplify right side
    316,683.99x = 75,794,963,972.70
  5. Step 5: Solve for x
    x = 75,794,963,972.70/316,683.99
  6. Step 6: Final answer
    x = 239,339.42

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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.