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Finding the Fourth Proportional to 560,298.96, 773,249.14 and 318,604.04

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Solution

The fourth proportional to 560,298.96, 773,249.14 and 318,604.04 is: 439,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,298.96 : 773,249.14 = 318,604.04 : x
  2. Step 2: Convert to fraction form
    560,298.96/773,249.14 = 318,604.04/x
  3. Step 3: Cross multiply
    560,298.96x = 773,249.14 × 318,604.04
  4. Step 4: Simplify right side
    560,298.96x = 246,360,299,930.53
  5. Step 5: Solve for x
    x = 246,360,299,930.53/560,298.96
  6. Step 6: Final answer
    x = 439,694.37

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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.