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Finding the Fourth Proportional to 706,593.72, 975,106.44 and 384,311.28

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Solution

The fourth proportional to 706,593.72, 975,106.44 and 384,311.28 is: 530,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,593.72 : 975,106.44 = 384,311.28 : x
  2. Step 2: Convert to fraction form
    706,593.72/975,106.44 = 384,311.28/x
  3. Step 3: Cross multiply
    706,593.72x = 975,106.44 × 384,311.28
  4. Step 4: Simplify right side
    706,593.72x = 374,744,404,092.64
  5. Step 5: Solve for x
    x = 374,744,404,092.64/706,593.72
  6. Step 6: Final answer
    x = 530,353.43

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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.