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Finding the Fourth Proportional to 444,429.36, 612,675 and 316,883.76

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Solution

The fourth proportional to 444,429.36, 612,675 and 316,883.76 is: 436,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,429.36 : 612,675 = 316,883.76 : x
  2. Step 2: Convert to fraction form
    444,429.36/612,675 = 316,883.76/x
  3. Step 3: Cross multiply
    444,429.36x = 612,675 × 316,883.76
  4. Step 4: Simplify right side
    444,429.36x = 194,146,757,658
  5. Step 5: Solve for x
    x = 194,146,757,658/444,429.36
  6. Step 6: Final answer
    x = 436,845.03

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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.