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Finding the Fourth Proportional to 404,409.64, 606,354.92 and 167,915.56

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Solution

The fourth proportional to 404,409.64, 606,354.92 and 167,915.56 is: 251,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,409.64 : 606,354.92 = 167,915.56 : x
  2. Step 2: Convert to fraction form
    404,409.64/606,354.92 = 167,915.56/x
  3. Step 3: Cross multiply
    404,409.64x = 606,354.92 × 167,915.56
  4. Step 4: Simplify right side
    404,409.64x = 101,816,425,950.56
  5. Step 5: Solve for x
    x = 101,816,425,950.56/404,409.64
  6. Step 6: Final answer
    x = 251,765.58

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1.5x scale

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.