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Finding the Fourth Proportional to 341,938.30, 512,907.45 and 337,272.70

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Solution

The fourth proportional to 341,938.30, 512,907.45 and 337,272.70 is: 505,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,938.30 : 512,907.45 = 337,272.70 : x
  2. Step 2: Convert to fraction form
    341,938.30/512,907.45 = 337,272.70/x
  3. Step 3: Cross multiply
    341,938.30x = 512,907.45 × 337,272.70
  4. Step 4: Simplify right side
    341,938.30x = 172,989,680,511.62
  5. Step 5: Solve for x
    x = 172,989,680,511.62/341,938.30
  6. Step 6: Final answer
    x = 505,909.05

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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.