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Finding the Fourth Proportional to 263,892.60, 395,838.90 and 175,319.10

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Solution

The fourth proportional to 263,892.60, 395,838.90 and 175,319.10 is: 262,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,892.60 : 395,838.90 = 175,319.10 : x
  2. Step 2: Convert to fraction form
    263,892.60/395,838.90 = 175,319.10/x
  3. Step 3: Cross multiply
    263,892.60x = 395,838.90 × 175,319.10
  4. Step 4: Simplify right side
    263,892.60x = 69,398,119,692.99
  5. Step 5: Solve for x
    x = 69,398,119,692.99/263,892.60
  6. Step 6: Final answer
    x = 262,978.65

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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.