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Finding the Fourth Proportional to 704,887.63, 972,745.90 and 382,597.79

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Solution

The fourth proportional to 704,887.63, 972,745.90 and 382,597.79 is: 527,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,887.63 : 972,745.90 = 382,597.79 : x
  2. Step 2: Convert to fraction form
    704,887.63/972,745.90 = 382,597.79/x
  3. Step 3: Cross multiply
    704,887.63x = 972,745.90 × 382,597.79
  4. Step 4: Simplify right side
    704,887.63x = 372,170,431,571.56
  5. Step 5: Solve for x
    x = 372,170,431,571.56/704,887.63
  6. Step 6: Final answer
    x = 527,985.48

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1.5x scale

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.