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Finding the Fourth Proportional to 683,953.47, 943,366.26 and 480,049.88

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Solution

The fourth proportional to 683,953.47, 943,366.26 and 480,049.88 is: 662,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,953.47 : 943,366.26 = 480,049.88 : x
  2. Step 2: Convert to fraction form
    683,953.47/943,366.26 = 480,049.88/x
  3. Step 3: Cross multiply
    683,953.47x = 943,366.26 × 480,049.88
  4. Step 4: Simplify right side
    683,953.47x = 452,862,856,992.41
  5. Step 5: Solve for x
    x = 452,862,856,992.41/683,953.47
  6. Step 6: Final answer
    x = 662,125.24

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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.