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Finding the Fourth Proportional to 671,720.73, 925,995.29 and 510,295.56

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Solution

The fourth proportional to 671,720.73, 925,995.29 and 510,295.56 is: 703,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,720.73 : 925,995.29 = 510,295.56 : x
  2. Step 2: Convert to fraction form
    671,720.73/925,995.29 = 510,295.56/x
  3. Step 3: Cross multiply
    671,720.73x = 925,995.29 × 510,295.56
  4. Step 4: Simplify right side
    671,720.73x = 472,531,282,516.44
  5. Step 5: Solve for x
    x = 472,531,282,516.44/671,720.73
  6. Step 6: Final answer
    x = 703,463.90

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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.