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Finding the Fourth Proportional to 453,826.70, 624,930.04 and 443,756.98

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Solution

The fourth proportional to 453,826.70, 624,930.04 and 443,756.98 is: 611,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,826.70 : 624,930.04 = 443,756.98 : x
  2. Step 2: Convert to fraction form
    453,826.70/624,930.04 = 443,756.98/x
  3. Step 3: Cross multiply
    453,826.70x = 624,930.04 × 443,756.98
  4. Step 4: Simplify right side
    453,826.70x = 277,317,066,101.41
  5. Step 5: Solve for x
    x = 277,317,066,101.41/453,826.70
  6. Step 6: Final answer
    x = 611,063.80

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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.