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Finding the Fourth Proportional to 573,597.21, 860,774.84 and 270,078.18

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Solution

The fourth proportional to 573,597.21, 860,774.84 and 270,078.18 is: 405,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,597.21 : 860,774.84 = 270,078.18 : x
  2. Step 2: Convert to fraction form
    573,597.21/860,774.84 = 270,078.18/x
  3. Step 3: Cross multiply
    573,597.21x = 860,774.84 × 270,078.18
  4. Step 4: Simplify right side
    573,597.21x = 232,476,497,197.92
  5. Step 5: Solve for x
    x = 232,476,497,197.92/573,597.21
  6. Step 6: Final answer
    x = 405,295.72

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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.