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Finding the Fourth Proportional to 453,669.70, 680,212.95 and 187,536.10

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Solution

The fourth proportional to 453,669.70, 680,212.95 and 187,536.10 is: 281,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,669.70 : 680,212.95 = 187,536.10 : x
  2. Step 2: Convert to fraction form
    453,669.70/680,212.95 = 187,536.10/x
  3. Step 3: Cross multiply
    453,669.70x = 680,212.95 × 187,536.10
  4. Step 4: Simplify right side
    453,669.70x = 127,564,483,812.50
  5. Step 5: Solve for x
    x = 127,564,483,812.50/453,669.70
  6. Step 6: Final answer
    x = 281,183.61

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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.