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Finding the Fourth Proportional to 560,418.42, 773,373.44 and 318,700.96

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Solution

The fourth proportional to 560,418.42, 773,373.44 and 318,700.96 is: 439,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,418.42 : 773,373.44 = 318,700.96 : x
  2. Step 2: Convert to fraction form
    560,418.42/773,373.44 = 318,700.96/x
  3. Step 3: Cross multiply
    560,418.42x = 773,373.44 × 318,700.96
  4. Step 4: Simplify right side
    560,418.42x = 246,474,857,766.50
  5. Step 5: Solve for x
    x = 246,474,857,766.50/560,418.42
  6. Step 6: Final answer
    x = 439,805.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.