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Finding the Fourth Proportional to 334,955.20, 502,578.60 and 168,743.20

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Solution

The fourth proportional to 334,955.20, 502,578.60 and 168,743.20 is: 253,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,955.20 : 502,578.60 = 168,743.20 : x
  2. Step 2: Convert to fraction form
    334,955.20/502,578.60 = 168,743.20/x
  3. Step 3: Cross multiply
    334,955.20x = 502,578.60 × 168,743.20
  4. Step 4: Simplify right side
    334,955.20x = 84,806,721,215.52
  5. Step 5: Solve for x
    x = 84,806,721,215.52/334,955.20
  6. Step 6: Final answer
    x = 253,188.25

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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.