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Finding the Fourth Proportional to 922,801.80, 1,383,036.30 and 448,465.80

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Solution

The fourth proportional to 922,801.80, 1,383,036.30 and 448,465.80 is: 672,131.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,801.80 : 1,383,036.30 = 448,465.80 : x
  2. Step 2: Convert to fraction form
    922,801.80/1,383,036.30 = 448,465.80/x
  3. Step 3: Cross multiply
    922,801.80x = 1,383,036.30 × 448,465.80
  4. Step 4: Simplify right side
    922,801.80x = 620,244,480,708.54
  5. Step 5: Solve for x
    x = 620,244,480,708.54/922,801.80
  6. Step 6: Final answer
    x = 672,131.85

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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.