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Finding the Fourth Proportional to 468,431.52, 702,216.72 and 168,838.80

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Solution

The fourth proportional to 468,431.52, 702,216.72 and 168,838.80 is: 253,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,431.52 : 702,216.72 = 168,838.80 : x
  2. Step 2: Convert to fraction form
    468,431.52/702,216.72 = 168,838.80/x
  3. Step 3: Cross multiply
    468,431.52x = 702,216.72 × 168,838.80
  4. Step 4: Simplify right side
    468,431.52x = 118,561,428,344.74
  5. Step 5: Solve for x
    x = 118,561,428,344.74/468,431.52
  6. Step 6: Final answer
    x = 253,103.01

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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.