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Finding the Fourth Proportional to 455,833.38, 628,949.02 and 262,229.22

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Solution

The fourth proportional to 455,833.38, 628,949.02 and 262,229.22 is: 361,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,833.38 : 628,949.02 = 262,229.22 : x
  2. Step 2: Convert to fraction form
    455,833.38/628,949.02 = 262,229.22/x
  3. Step 3: Cross multiply
    455,833.38x = 628,949.02 × 262,229.22
  4. Step 4: Simplify right side
    455,833.38x = 164,928,810,934.36
  5. Step 5: Solve for x
    x = 164,928,810,934.36/455,833.38
  6. Step 6: Final answer
    x = 361,818.20

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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.