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Finding the Fourth Proportional to 349,034.40, 481,712.40 and 235,850.40

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Solution

The fourth proportional to 349,034.40, 481,712.40 and 235,850.40 is: 325,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,034.40 : 481,712.40 = 235,850.40 : x
  2. Step 2: Convert to fraction form
    349,034.40/481,712.40 = 235,850.40/x
  3. Step 3: Cross multiply
    349,034.40x = 481,712.40 × 235,850.40
  4. Step 4: Simplify right side
    349,034.40x = 113,612,062,224.96
  5. Step 5: Solve for x
    x = 113,612,062,224.96/349,034.40
  6. Step 6: Final answer
    x = 325,503.91

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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.