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Finding the Fourth Proportional to 592,989.78, 888,553.31 and 458,383.68

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Solution

The fourth proportional to 592,989.78, 888,553.31 and 458,383.68 is: 686,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,989.78 : 888,553.31 = 458,383.68 : x
  2. Step 2: Convert to fraction form
    592,989.78/888,553.31 = 458,383.68/x
  3. Step 3: Cross multiply
    592,989.78x = 888,553.31 × 458,383.68
  4. Step 4: Simplify right side
    592,989.78x = 407,298,336,113.98
  5. Step 5: Solve for x
    x = 407,298,336,113.98/592,989.78
  6. Step 6: Final answer
    x = 686,855.57

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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.