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Finding the Fourth Proportional to 896,651.53, 1,237,371.70 and 488,745.96

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Solution

The fourth proportional to 896,651.53, 1,237,371.70 and 488,745.96 is: 674,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,651.53 : 1,237,371.70 = 488,745.96 : x
  2. Step 2: Convert to fraction form
    896,651.53/1,237,371.70 = 488,745.96/x
  3. Step 3: Cross multiply
    896,651.53x = 1,237,371.70 × 488,745.96
  4. Step 4: Simplify right side
    896,651.53x = 604,760,419,393.33
  5. Step 5: Solve for x
    x = 604,760,419,393.33/896,651.53
  6. Step 6: Final answer
    x = 674,465.39

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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.