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Finding the Fourth Proportional to 437,208.17, 656,003.02 and 153,102.64

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Solution

The fourth proportional to 437,208.17, 656,003.02 and 153,102.64 is: 229,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,208.17 : 656,003.02 = 153,102.64 : x
  2. Step 2: Convert to fraction form
    437,208.17/656,003.02 = 153,102.64/x
  3. Step 3: Cross multiply
    437,208.17x = 656,003.02 × 153,102.64
  4. Step 4: Simplify right side
    437,208.17x = 100,435,792,187.21
  5. Step 5: Solve for x
    x = 100,435,792,187.21/437,208.17
  6. Step 6: Final answer
    x = 229,720.76

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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.