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Finding the Fourth Proportional to 323,348.45, 446,220.99 and 187,461.50

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Solution

The fourth proportional to 323,348.45, 446,220.99 and 187,461.50 is: 258,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,348.45 : 446,220.99 = 187,461.50 : x
  2. Step 2: Convert to fraction form
    323,348.45/446,220.99 = 187,461.50/x
  3. Step 3: Cross multiply
    323,348.45x = 446,220.99 × 187,461.50
  4. Step 4: Simplify right side
    323,348.45x = 83,649,253,885.78
  5. Step 5: Solve for x
    x = 83,649,253,885.78/323,348.45
  6. Step 6: Final answer
    x = 258,696.94

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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.