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Finding the Fourth Proportional to 572,103.90, 857,391.57 and 301,680.54

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Solution

The fourth proportional to 572,103.90, 857,391.57 and 301,680.54 is: 452,117.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,103.90 : 857,391.57 = 301,680.54 : x
  2. Step 2: Convert to fraction form
    572,103.90/857,391.57 = 301,680.54/x
  3. Step 3: Cross multiply
    572,103.90x = 857,391.57 × 301,680.54
  4. Step 4: Simplify right side
    572,103.90x = 258,658,351,829.05
  5. Step 5: Solve for x
    x = 258,658,351,829.05/572,103.90
  6. Step 6: Final answer
    x = 452,117.79

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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.