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Finding the Fourth Proportional to 346,907.80, 519,324.90 and 206,594.20

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Solution

The fourth proportional to 346,907.80, 519,324.90 and 206,594.20 is: 309,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,907.80 : 519,324.90 = 206,594.20 : x
  2. Step 2: Convert to fraction form
    346,907.80/519,324.90 = 206,594.20/x
  3. Step 3: Cross multiply
    346,907.80x = 519,324.90 × 206,594.20
  4. Step 4: Simplify right side
    346,907.80x = 107,289,512,255.58
  5. Step 5: Solve for x
    x = 107,289,512,255.58/346,907.80
  6. Step 6: Final answer
    x = 309,273.85

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1.5x scale

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.