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Finding the Fourth Proportional to 468,378.58, 702,487.95 and 168,799.54

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Solution

The fourth proportional to 468,378.58, 702,487.95 and 168,799.54 is: 253,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,378.58 : 702,487.95 = 168,799.54 : x
  2. Step 2: Convert to fraction form
    468,378.58/702,487.95 = 168,799.54/x
  3. Step 3: Cross multiply
    468,378.58x = 702,487.95 × 168,799.54
  4. Step 4: Simplify right side
    468,378.58x = 118,579,642,815.54
  5. Step 5: Solve for x
    x = 118,579,642,815.54/468,378.58
  6. Step 6: Final answer
    x = 253,170.51

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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.