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Finding the Fourth Proportional to 451,325.12, 622,803.33 and 247,337.15

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Solution

The fourth proportional to 451,325.12, 622,803.33 and 247,337.15 is: 341,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,325.12 : 622,803.33 = 247,337.15 : x
  2. Step 2: Convert to fraction form
    451,325.12/622,803.33 = 247,337.15/x
  3. Step 3: Cross multiply
    451,325.12x = 622,803.33 × 247,337.15
  4. Step 4: Simplify right side
    451,325.12x = 154,042,397,538.69
  5. Step 5: Solve for x
    x = 154,042,397,538.69/451,325.12
  6. Step 6: Final answer
    x = 341,311.38

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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.