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Finding the Fourth Proportional to 892,805.06, 1,231,879.29 and 530,351.12

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Solution

The fourth proportional to 892,805.06, 1,231,879.29 and 530,351.12 is: 731,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,805.06 : 1,231,879.29 = 530,351.12 : x
  2. Step 2: Convert to fraction form
    892,805.06/1,231,879.29 = 530,351.12/x
  3. Step 3: Cross multiply
    892,805.06x = 1,231,879.29 × 530,351.12
  4. Step 4: Simplify right side
    892,805.06x = 653,328,554,996.91
  5. Step 5: Solve for x
    x = 653,328,554,996.91/892,805.06
  6. Step 6: Final answer
    x = 731,770.67

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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.