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Finding the Fourth Proportional to 573,279.16, 860,264.34 and 199,564.60

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Solution

The fourth proportional to 573,279.16, 860,264.34 and 199,564.60 is: 299,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,279.16 : 860,264.34 = 199,564.60 : x
  2. Step 2: Convert to fraction form
    573,279.16/860,264.34 = 199,564.60/x
  3. Step 3: Cross multiply
    573,279.16x = 860,264.34 × 199,564.60
  4. Step 4: Simplify right side
    573,279.16x = 171,678,308,906.36
  5. Step 5: Solve for x
    x = 171,678,308,906.36/573,279.16
  6. Step 6: Final answer
    x = 299,467.21

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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.