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Finding the Fourth Proportional to 468,359.68, 702,540 and 219,216.64

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Solution

The fourth proportional to 468,359.68, 702,540 and 219,216.64 is: 328,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,359.68 : 702,540 = 219,216.64 : x
  2. Step 2: Convert to fraction form
    468,359.68/702,540 = 219,216.64/x
  3. Step 3: Cross multiply
    468,359.68x = 702,540 × 219,216.64
  4. Step 4: Simplify right side
    468,359.68x = 154,008,458,265.60
  5. Step 5: Solve for x
    x = 154,008,458,265.60/468,359.68
  6. Step 6: Final answer
    x = 328,825.18

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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.