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Finding the Fourth Proportional to 469,704.60, 704,257.20 and 309,595.68

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Solution

The fourth proportional to 469,704.60, 704,257.20 and 309,595.68 is: 464,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,704.60 : 704,257.20 = 309,595.68 : x
  2. Step 2: Convert to fraction form
    469,704.60/704,257.20 = 309,595.68/x
  3. Step 3: Cross multiply
    469,704.60x = 704,257.20 × 309,595.68
  4. Step 4: Simplify right side
    469,704.60x = 218,034,986,728.90
  5. Step 5: Solve for x
    x = 218,034,986,728.90/469,704.60
  6. Step 6: Final answer
    x = 464,195.98

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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.