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Finding the Fourth Proportional to 323,328.68, 446,194.50 and 187,389.02

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Solution

The fourth proportional to 323,328.68, 446,194.50 and 187,389.02 is: 258,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,328.68 : 446,194.50 = 187,389.02 : x
  2. Step 2: Convert to fraction form
    323,328.68/446,194.50 = 187,389.02/x
  3. Step 3: Cross multiply
    323,328.68x = 446,194.50 × 187,389.02
  4. Step 4: Simplify right side
    323,328.68x = 83,611,950,084.39
  5. Step 5: Solve for x
    x = 83,611,950,084.39/323,328.68
  6. Step 6: Final answer
    x = 258,597.38

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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.