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Finding the Fourth Proportional to 341,935.80, 512,903.70 and 337,270.20

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Solution

The fourth proportional to 341,935.80, 512,903.70 and 337,270.20 is: 505,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,935.80 : 512,903.70 = 337,270.20 : x
  2. Step 2: Convert to fraction form
    341,935.80/512,903.70 = 337,270.20/x
  3. Step 3: Cross multiply
    341,935.80x = 512,903.70 × 337,270.20
  4. Step 4: Simplify right side
    341,935.80x = 172,987,133,479.74
  5. Step 5: Solve for x
    x = 172,987,133,479.74/341,935.80
  6. Step 6: Final answer
    x = 505,905.30

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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.