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Finding the Fourth Proportional to 706,610.84, 975,135.50 and 384,327.96

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Solution

The fourth proportional to 706,610.84, 975,135.50 and 384,327.96 is: 530,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,610.84 : 975,135.50 = 384,327.96 : x
  2. Step 2: Convert to fraction form
    706,610.84/975,135.50 = 384,327.96/x
  3. Step 3: Cross multiply
    706,610.84x = 975,135.50 × 384,327.96
  4. Step 4: Simplify right side
    706,610.84x = 374,771,837,438.58
  5. Step 5: Solve for x
    x = 374,771,837,438.58/706,610.84
  6. Step 6: Final answer
    x = 530,379.41

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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.