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Finding the Fourth Proportional to 747,796.12, 1,031,800.98 and 475,765

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Solution

The fourth proportional to 747,796.12, 1,031,800.98 and 475,765 is: 656,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,796.12 : 1,031,800.98 = 475,765 : x
  2. Step 2: Convert to fraction form
    747,796.12/1,031,800.98 = 475,765/x
  3. Step 3: Cross multiply
    747,796.12x = 1,031,800.98 × 475,765
  4. Step 4: Simplify right side
    747,796.12x = 490,894,793,249.70
  5. Step 5: Solve for x
    x = 490,894,793,249.70/747,796.12
  6. Step 6: Final answer
    x = 656,455.39

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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.