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Finding the Fourth Proportional to 557,172.54, 768,966.09 and 327,718.89

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Solution

The fourth proportional to 557,172.54, 768,966.09 and 327,718.89 is: 452,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,172.54 : 768,966.09 = 327,718.89 : x
  2. Step 2: Convert to fraction form
    557,172.54/768,966.09 = 327,718.89/x
  3. Step 3: Cross multiply
    557,172.54x = 768,966.09 × 327,718.89
  4. Step 4: Simplify right side
    557,172.54x = 252,004,713,462.44
  5. Step 5: Solve for x
    x = 252,004,713,462.44/557,172.54
  6. Step 6: Final answer
    x = 452,292.06

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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.