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Finding the Fourth Proportional to 230,940.41, 318,409.50 and 176,559.96

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Solution

The fourth proportional to 230,940.41, 318,409.50 and 176,559.96 is: 243,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,940.41 : 318,409.50 = 176,559.96 : x
  2. Step 2: Convert to fraction form
    230,940.41/318,409.50 = 176,559.96/x
  3. Step 3: Cross multiply
    230,940.41x = 318,409.50 × 176,559.96
  4. Step 4: Simplify right side
    230,940.41x = 56,218,368,583.62
  5. Step 5: Solve for x
    x = 56,218,368,583.62/230,940.41
  6. Step 6: Final answer
    x = 243,432.36

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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.