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Finding the Fourth Proportional to 474,885.56, 712,350.22 and 264,364.94

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Solution

The fourth proportional to 474,885.56, 712,350.22 and 264,364.94 is: 396,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,885.56 : 712,350.22 = 264,364.94 : x
  2. Step 2: Convert to fraction form
    474,885.56/712,350.22 = 264,364.94/x
  3. Step 3: Cross multiply
    474,885.56x = 712,350.22 × 264,364.94
  4. Step 4: Simplify right side
    474,885.56x = 188,320,423,169.29
  5. Step 5: Solve for x
    x = 188,320,423,169.29/474,885.56
  6. Step 6: Final answer
    x = 396,559.59

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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.