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Finding the Fourth Proportional to 334,995.76, 502,426.81 and 164,144.08

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Solution

The fourth proportional to 334,995.76, 502,426.81 and 164,144.08 is: 246,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,995.76 : 502,426.81 = 164,144.08 : x
  2. Step 2: Convert to fraction form
    334,995.76/502,426.81 = 164,144.08/x
  3. Step 3: Cross multiply
    334,995.76x = 502,426.81 × 164,144.08
  4. Step 4: Simplify right side
    334,995.76x = 82,470,386,494.78
  5. Step 5: Solve for x
    x = 82,470,386,494.78/334,995.76
  6. Step 6: Final answer
    x = 246,183.37

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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.