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Finding the Fourth Proportional to 311,194.16, 429,443.83 and 175,241.51

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Solution

The fourth proportional to 311,194.16, 429,443.83 and 175,241.51 is: 241,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,194.16 : 429,443.83 = 175,241.51 : x
  2. Step 2: Convert to fraction form
    311,194.16/429,443.83 = 175,241.51/x
  3. Step 3: Cross multiply
    311,194.16x = 429,443.83 × 175,241.51
  4. Step 4: Simplify right side
    311,194.16x = 75,256,385,229.38
  5. Step 5: Solve for x
    x = 75,256,385,229.38/311,194.16
  6. Step 6: Final answer
    x = 241,830.97

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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.