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Finding the Fourth Proportional to 293,719.80, 439,704.90 and 175,330.20

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Solution

The fourth proportional to 293,719.80, 439,704.90 and 175,330.20 is: 262,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,719.80 : 439,704.90 = 175,330.20 : x
  2. Step 2: Convert to fraction form
    293,719.80/439,704.90 = 175,330.20/x
  3. Step 3: Cross multiply
    293,719.80x = 439,704.90 × 175,330.20
  4. Step 4: Simplify right side
    293,719.80x = 77,093,548,057.98
  5. Step 5: Solve for x
    x = 77,093,548,057.98/293,719.80
  6. Step 6: Final answer
    x = 262,473.11

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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.