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Finding the Fourth Proportional to 323,348.40, 446,186.70 and 187,425

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Solution

The fourth proportional to 323,348.40, 446,186.70 and 187,425 is: 258,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,348.40 : 446,186.70 = 187,425 : x
  2. Step 2: Convert to fraction form
    323,348.40/446,186.70 = 187,425/x
  3. Step 3: Cross multiply
    323,348.40x = 446,186.70 × 187,425
  4. Step 4: Simplify right side
    323,348.40x = 83,626,542,247.50
  5. Step 5: Solve for x
    x = 83,626,542,247.50/323,348.40
  6. Step 6: Final answer
    x = 258,626.74

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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.