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Finding the Fourth Proportional to 573,783.11, 860,675.27 and 213,948.47

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Solution

The fourth proportional to 573,783.11, 860,675.27 and 213,948.47 is: 320,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,783.11 : 860,675.27 = 213,948.47 : x
  2. Step 2: Convert to fraction form
    573,783.11/860,675.27 = 213,948.47/x
  3. Step 3: Cross multiply
    573,783.11x = 860,675.27 × 213,948.47
  4. Step 4: Simplify right side
    573,783.11x = 184,140,153,423.98
  5. Step 5: Solve for x
    x = 184,140,153,423.98/573,783.11
  6. Step 6: Final answer
    x = 320,922.92

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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.