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Finding the Fourth Proportional to 706,711.88, 975,252.12 and 384,424.58

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Solution

The fourth proportional to 706,711.88, 975,252.12 and 384,424.58 is: 530,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,711.88 : 975,252.12 = 384,424.58 : x
  2. Step 2: Convert to fraction form
    706,711.88/975,252.12 = 384,424.58/x
  3. Step 3: Cross multiply
    706,711.88x = 975,252.12 × 384,424.58
  4. Step 4: Simplify right side
    706,711.88x = 374,910,886,625.11
  5. Step 5: Solve for x
    x = 374,910,886,625.11/706,711.88
  6. Step 6: Final answer
    x = 530,500.33

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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.