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Finding the Fourth Proportional to 706,994.88, 975,644.72 and 384,699.42

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Solution

The fourth proportional to 706,994.88, 975,644.72 and 384,699.42 is: 530,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,994.88 : 975,644.72 = 384,699.42 : x
  2. Step 2: Convert to fraction form
    706,994.88/975,644.72 = 384,699.42/x
  3. Step 3: Cross multiply
    706,994.88x = 975,644.72 × 384,699.42
  4. Step 4: Simplify right side
    706,994.88x = 375,329,957,910.06
  5. Step 5: Solve for x
    x = 375,329,957,910.06/706,994.88
  6. Step 6: Final answer
    x = 530,880.73

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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.