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Finding the Fourth Proportional to 453,686.94, 680,530.43 and 169,399.66

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Solution

The fourth proportional to 453,686.94, 680,530.43 and 169,399.66 is: 254,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,686.94 : 680,530.43 = 169,399.66 : x
  2. Step 2: Convert to fraction form
    453,686.94/680,530.43 = 169,399.66/x
  3. Step 3: Cross multiply
    453,686.94x = 680,530.43 × 169,399.66
  4. Step 4: Simplify right side
    453,686.94x = 115,281,624,100.57
  5. Step 5: Solve for x
    x = 115,281,624,100.57/453,686.94
  6. Step 6: Final answer
    x = 254,099.50

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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.