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Finding the Fourth Proportional to 318,189.06, 439,100.94 and 174,958.80

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Solution

The fourth proportional to 318,189.06, 439,100.94 and 174,958.80 is: 241,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,189.06 : 439,100.94 = 174,958.80 : x
  2. Step 2: Convert to fraction form
    318,189.06/439,100.94 = 174,958.80/x
  3. Step 3: Cross multiply
    318,189.06x = 439,100.94 × 174,958.80
  4. Step 4: Simplify right side
    318,189.06x = 76,824,573,541.27
  5. Step 5: Solve for x
    x = 76,824,573,541.27/318,189.06
  6. Step 6: Final answer
    x = 241,443.16

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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.