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Finding the Fourth Proportional to 706,949.31, 975,607.52 and 384,677.09

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Solution

The fourth proportional to 706,949.31, 975,607.52 and 384,677.09 is: 530,863.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,949.31 : 975,607.52 = 384,677.09 : x
  2. Step 2: Convert to fraction form
    706,949.31/975,607.52 = 384,677.09/x
  3. Step 3: Cross multiply
    706,949.31x = 975,607.52 × 384,677.09
  4. Step 4: Simplify right side
    706,949.31x = 375,293,854,974.29
  5. Step 5: Solve for x
    x = 375,293,854,974.29/706,949.31
  6. Step 6: Final answer
    x = 530,863.88

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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.