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Finding the Fourth Proportional to 706,737.86, 975,309.96 and 384,449.69

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Solution

The fourth proportional to 706,737.86, 975,309.96 and 384,449.69 is: 530,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,737.86 : 975,309.96 = 384,449.69 : x
  2. Step 2: Convert to fraction form
    706,737.86/975,309.96 = 384,449.69/x
  3. Step 3: Cross multiply
    706,737.86x = 975,309.96 × 384,449.69
  4. Step 4: Simplify right side
    706,737.86x = 374,957,615,655.87
  5. Step 5: Solve for x
    x = 374,957,615,655.87/706,737.86
  6. Step 6: Final answer
    x = 530,546.95

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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.