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Finding the Fourth Proportional to 994,472.70, 1,491,709.05 and 716,610.30

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Solution

The fourth proportional to 994,472.70, 1,491,709.05 and 716,610.30 is: 1,074,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,472.70 : 1,491,709.05 = 716,610.30 : x
  2. Step 2: Convert to fraction form
    994,472.70/1,491,709.05 = 716,610.30/x
  3. Step 3: Cross multiply
    994,472.70x = 1,491,709.05 × 716,610.30
  4. Step 4: Simplify right side
    994,472.70x = 1,068,974,069,833.22
  5. Step 5: Solve for x
    x = 1,068,974,069,833.22/994,472.70
  6. Step 6: Final answer
    x = 1,074,915.45

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Similar ratio
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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.