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Finding the Fourth Proportional to 335,963.70, 502,487.55 and 300,680.10

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Solution

The fourth proportional to 335,963.70, 502,487.55 and 300,680.10 is: 449,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,963.70 : 502,487.55 = 300,680.10 : x
  2. Step 2: Convert to fraction form
    335,963.70/502,487.55 = 300,680.10/x
  3. Step 3: Cross multiply
    335,963.70x = 502,487.55 × 300,680.10
  4. Step 4: Simplify right side
    335,963.70x = 151,088,006,782.76
  5. Step 5: Solve for x
    x = 151,088,006,782.76/335,963.70
  6. Step 6: Final answer
    x = 449,715.27

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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.