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Finding the Fourth Proportional to 573,652.53, 860,445.99 and 218,702.43

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Solution

The fourth proportional to 573,652.53, 860,445.99 and 218,702.43 is: 328,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,652.53 : 860,445.99 = 218,702.43 : x
  2. Step 2: Convert to fraction form
    573,652.53/860,445.99 = 218,702.43/x
  3. Step 3: Cross multiply
    573,652.53x = 860,445.99 × 218,702.43
  4. Step 4: Simplify right side
    573,652.53x = 188,181,628,896.76
  5. Step 5: Solve for x
    x = 188,181,628,896.76/573,652.53
  6. Step 6: Final answer
    x = 328,041.14

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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.