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Finding the Fourth Proportional to 361,028.68, 498,223.52 and 199,886.61

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Solution

The fourth proportional to 361,028.68, 498,223.52 and 199,886.61 is: 275,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,028.68 : 498,223.52 = 199,886.61 : x
  2. Step 2: Convert to fraction form
    361,028.68/498,223.52 = 199,886.61/x
  3. Step 3: Cross multiply
    361,028.68x = 498,223.52 × 199,886.61
  4. Step 4: Simplify right side
    361,028.68x = 99,588,210,435.07
  5. Step 5: Solve for x
    x = 99,588,210,435.07/361,028.68
  6. Step 6: Final answer
    x = 275,845.70

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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.