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Finding the Fourth Proportional to 704,790.23, 972,610.49 and 382,500.32

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Solution

The fourth proportional to 704,790.23, 972,610.49 and 382,500.32 is: 527,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,790.23 : 972,610.49 = 382,500.32 : x
  2. Step 2: Convert to fraction form
    704,790.23/972,610.49 = 382,500.32/x
  3. Step 3: Cross multiply
    704,790.23x = 972,610.49 × 382,500.32
  4. Step 4: Simplify right side
    704,790.23x = 372,023,819,753.56
  5. Step 5: Solve for x
    x = 372,023,819,753.56/704,790.23
  6. Step 6: Final answer
    x = 527,850.42

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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.