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Finding the Fourth Proportional to 468,736.95, 703,106.28 and 169,428.84

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Solution

The fourth proportional to 468,736.95, 703,106.28 and 169,428.84 is: 254,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,736.95 : 703,106.28 = 169,428.84 : x
  2. Step 2: Convert to fraction form
    468,736.95/703,106.28 = 169,428.84/x
  3. Step 3: Cross multiply
    468,736.95x = 703,106.28 × 169,428.84
  4. Step 4: Simplify right side
    468,736.95x = 119,126,481,417.12
  5. Step 5: Solve for x
    x = 119,126,481,417.12/468,736.95
  6. Step 6: Final answer
    x = 254,143.57

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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.