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Finding the Fourth Proportional to 437,450.70, 656,176.01 and 105,026.70

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Solution

The fourth proportional to 437,450.70, 656,176.01 and 105,026.70 is: 157,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,450.70 : 656,176.01 = 105,026.70 : x
  2. Step 2: Convert to fraction form
    437,450.70/656,176.01 = 105,026.70/x
  3. Step 3: Cross multiply
    437,450.70x = 656,176.01 × 105,026.70
  4. Step 4: Simplify right side
    437,450.70x = 68,916,000,424.33
  5. Step 5: Solve for x
    x = 68,916,000,424.33/437,450.70
  6. Step 6: Final answer
    x = 157,540.04

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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.