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Finding the Fourth Proportional to 361,927.60, 499,460.68 and 200,782.65

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Solution

The fourth proportional to 361,927.60, 499,460.68 and 200,782.65 is: 277,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,927.60 : 499,460.68 = 200,782.65 : x
  2. Step 2: Convert to fraction form
    361,927.60/499,460.68 = 200,782.65/x
  3. Step 3: Cross multiply
    361,927.60x = 499,460.68 × 200,782.65
  4. Step 4: Simplify right side
    361,927.60x = 100,283,037,086.29
  5. Step 5: Solve for x
    x = 100,283,037,086.29/361,927.60
  6. Step 6: Final answer
    x = 277,080.38

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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.