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Finding the Fourth Proportional to 329,046.93, 493,255.11 and 139,246.23

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Solution

The fourth proportional to 329,046.93, 493,255.11 and 139,246.23 is: 208,735.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,046.93 : 493,255.11 = 139,246.23 : x
  2. Step 2: Convert to fraction form
    329,046.93/493,255.11 = 139,246.23/x
  3. Step 3: Cross multiply
    329,046.93x = 493,255.11 × 139,246.23
  4. Step 4: Simplify right side
    329,046.93x = 68,683,914,495.74
  5. Step 5: Solve for x
    x = 68,683,914,495.74/329,046.93
  6. Step 6: Final answer
    x = 208,735.92

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1.5x scale

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.