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Finding the Fourth Proportional to 592,803.66, 889,104.35 and 213,648.94

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Solution

The fourth proportional to 592,803.66, 889,104.35 and 213,648.94 is: 320,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,803.66 : 889,104.35 = 213,648.94 : x
  2. Step 2: Convert to fraction form
    592,803.66/889,104.35 = 213,648.94/x
  3. Step 3: Cross multiply
    592,803.66x = 889,104.35 × 213,648.94
  4. Step 4: Simplify right side
    592,803.66x = 189,956,202,370.62
  5. Step 5: Solve for x
    x = 189,956,202,370.62/592,803.66
  6. Step 6: Final answer
    x = 320,436.96

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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.