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Finding the Fourth Proportional to 704,894.56, 972,755.29 and 382,604.58

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Solution

The fourth proportional to 704,894.56, 972,755.29 and 382,604.58 is: 527,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,894.56 : 972,755.29 = 382,604.58 : x
  2. Step 2: Convert to fraction form
    704,894.56/972,755.29 = 382,604.58/x
  3. Step 3: Cross multiply
    704,894.56x = 972,755.29 × 382,604.58
  4. Step 4: Simplify right side
    704,894.56x = 372,180,629,173.23
  5. Step 5: Solve for x
    x = 372,180,629,173.23/704,894.56
  6. Step 6: Final answer
    x = 527,994.75

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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.