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Finding the Fourth Proportional to 573,860.36, 860,783.52 and 258,094.28

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Solution

The fourth proportional to 573,860.36, 860,783.52 and 258,094.28 is: 387,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,860.36 : 860,783.52 = 258,094.28 : x
  2. Step 2: Convert to fraction form
    573,860.36/860,783.52 = 258,094.28/x
  3. Step 3: Cross multiply
    573,860.36x = 860,783.52 × 258,094.28
  4. Step 4: Simplify right side
    573,860.36x = 222,163,302,830.27
  5. Step 5: Solve for x
    x = 222,163,302,830.27/573,860.36
  6. Step 6: Final answer
    x = 387,138.26

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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.