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Finding the Fourth Proportional to 573,354.95, 860,135.70 and 236,211.35

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Solution

The fourth proportional to 573,354.95, 860,135.70 and 236,211.35 is: 354,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,354.95 : 860,135.70 = 236,211.35 : x
  2. Step 2: Convert to fraction form
    573,354.95/860,135.70 = 236,211.35/x
  3. Step 3: Cross multiply
    573,354.95x = 860,135.70 × 236,211.35
  4. Step 4: Simplify right side
    573,354.95x = 203,173,814,880.20
  5. Step 5: Solve for x
    x = 203,173,814,880.20/573,354.95
  6. Step 6: Final answer
    x = 354,359.57

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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.