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Finding the Fourth Proportional to 427,323.16, 589,702.98 and 236,329.48

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Solution

The fourth proportional to 427,323.16, 589,702.98 and 236,329.48 is: 326,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,323.16 : 589,702.98 = 236,329.48 : x
  2. Step 2: Convert to fraction form
    427,323.16/589,702.98 = 236,329.48/x
  3. Step 3: Cross multiply
    427,323.16x = 589,702.98 × 236,329.48
  4. Step 4: Simplify right side
    427,323.16x = 139,364,198,617.85
  5. Step 5: Solve for x
    x = 139,364,198,617.85/427,323.16
  6. Step 6: Final answer
    x = 326,133.03

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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.