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Finding the Fourth Proportional to 994,472.40, 1,491,708.60 and 994,472.40

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Solution

The fourth proportional to 994,472.40, 1,491,708.60 and 994,472.40 is: 1,491,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,472.40 : 1,491,708.60 = 994,472.40 : x
  2. Step 2: Convert to fraction form
    994,472.40/1,491,708.60 = 994,472.40/x
  3. Step 3: Cross multiply
    994,472.40x = 1,491,708.60 × 994,472.40
  4. Step 4: Simplify right side
    994,472.40x = 1,483,463,031,542.64
  5. Step 5: Solve for x
    x = 1,483,463,031,542.64/994,472.40
  6. Step 6: Final answer
    x = 1,491,708.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.