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Finding the Fourth Proportional to 496,340.32, 744,593.51 and 389,719.96

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Solution

The fourth proportional to 496,340.32, 744,593.51 and 389,719.96 is: 584,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,340.32 : 744,593.51 = 389,719.96 : x
  2. Step 2: Convert to fraction form
    496,340.32/744,593.51 = 389,719.96/x
  3. Step 3: Cross multiply
    496,340.32x = 744,593.51 × 389,719.96
  4. Step 4: Simplify right side
    496,340.32x = 290,182,950,984.86
  5. Step 5: Solve for x
    x = 290,182,950,984.86/496,340.32
  6. Step 6: Final answer
    x = 584,645.13

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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.