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Finding the Fourth Proportional to 573,506.96, 860,401.94 and 285,455.84

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Solution

The fourth proportional to 573,506.96, 860,401.94 and 285,455.84 is: 428,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,506.96 : 860,401.94 = 285,455.84 : x
  2. Step 2: Convert to fraction form
    573,506.96/860,401.94 = 285,455.84/x
  3. Step 3: Cross multiply
    573,506.96x = 860,401.94 × 285,455.84
  4. Step 4: Simplify right side
    573,506.96x = 245,606,752,791.04
  5. Step 5: Solve for x
    x = 245,606,752,791.04/573,506.96
  6. Step 6: Final answer
    x = 428,254.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.