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Finding the Fourth Proportional to 349,959.60, 482,944.12 and 190,983.60

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Solution

The fourth proportional to 349,959.60, 482,944.12 and 190,983.60 is: 263,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,959.60 : 482,944.12 = 190,983.60 : x
  2. Step 2: Convert to fraction form
    349,959.60/482,944.12 = 190,983.60/x
  3. Step 3: Cross multiply
    349,959.60x = 482,944.12 × 190,983.60
  4. Step 4: Simplify right side
    349,959.60x = 92,234,406,636.43
  5. Step 5: Solve for x
    x = 92,234,406,636.43/349,959.60
  6. Step 6: Final answer
    x = 263,557.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.