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Finding the Fourth Proportional to 471,960.70, 707,941.05 and 223,128.70

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Solution

The fourth proportional to 471,960.70, 707,941.05 and 223,128.70 is: 334,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,960.70 : 707,941.05 = 223,128.70 : x
  2. Step 2: Convert to fraction form
    471,960.70/707,941.05 = 223,128.70/x
  3. Step 3: Cross multiply
    471,960.70x = 707,941.05 × 223,128.70
  4. Step 4: Simplify right side
    471,960.70x = 157,961,966,163.14
  5. Step 5: Solve for x
    x = 157,961,966,163.14/471,960.70
  6. Step 6: Final answer
    x = 334,693.05

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Similar ratio
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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.