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Finding the Fourth Proportional to 401,825.93, 554,479.39 and 240,676.84

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Solution

The fourth proportional to 401,825.93, 554,479.39 and 240,676.84 is: 332,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,825.93 : 554,479.39 = 240,676.84 : x
  2. Step 2: Convert to fraction form
    401,825.93/554,479.39 = 240,676.84/x
  3. Step 3: Cross multiply
    401,825.93x = 554,479.39 × 240,676.84
  4. Step 4: Simplify right side
    401,825.93x = 133,450,347,430.33
  5. Step 5: Solve for x
    x = 133,450,347,430.33/401,825.93
  6. Step 6: Final answer
    x = 332,109.85

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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.