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Finding the Fourth Proportional to 704,887.68, 972,745.99 and 382,597.85

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Solution

The fourth proportional to 704,887.68, 972,745.99 and 382,597.85 is: 527,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,887.68 : 972,745.99 = 382,597.85 : x
  2. Step 2: Convert to fraction form
    704,887.68/972,745.99 = 382,597.85/x
  3. Step 3: Cross multiply
    704,887.68x = 972,745.99 × 382,597.85
  4. Step 4: Simplify right side
    704,887.68x = 372,170,525,845.49
  5. Step 5: Solve for x
    x = 372,170,525,845.49/704,887.68
  6. Step 6: Final answer
    x = 527,985.57

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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.