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Finding the Fourth Proportional to 573,622.48, 860,445.06 and 208,871.38

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Solution

The fourth proportional to 573,622.48, 860,445.06 and 208,871.38 is: 313,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,622.48 : 860,445.06 = 208,871.38 : x
  2. Step 2: Convert to fraction form
    573,622.48/860,445.06 = 208,871.38/x
  3. Step 3: Cross multiply
    573,622.48x = 860,445.06 × 208,871.38
  4. Step 4: Simplify right side
    573,622.48x = 179,722,347,096.38
  5. Step 5: Solve for x
    x = 179,722,347,096.38/573,622.48
  6. Step 6: Final answer
    x = 313,311.20

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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.