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Finding the Fourth Proportional to 447,140.60, 670,814.60 and 234,024.36

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Solution

The fourth proportional to 447,140.60, 670,814.60 and 234,024.36 is: 351,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,140.60 : 670,814.60 = 234,024.36 : x
  2. Step 2: Convert to fraction form
    447,140.60/670,814.60 = 234,024.36/x
  3. Step 3: Cross multiply
    447,140.60x = 670,814.60 × 234,024.36
  4. Step 4: Simplify right side
    447,140.60x = 156,986,957,443.66
  5. Step 5: Solve for x
    x = 156,986,957,443.66/447,140.60
  6. Step 6: Final answer
    x = 351,090.81

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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.