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Finding the Fourth Proportional to 572,882.10, 857,573.55 and 446,910.90

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Solution

The fourth proportional to 572,882.10, 857,573.55 and 446,910.90 is: 669,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,882.10 : 857,573.55 = 446,910.90 : x
  2. Step 2: Convert to fraction form
    572,882.10/857,573.55 = 446,910.90/x
  3. Step 3: Cross multiply
    572,882.10x = 857,573.55 × 446,910.90
  4. Step 4: Simplify right side
    572,882.10x = 383,258,967,046.70
  5. Step 5: Solve for x
    x = 383,258,967,046.70/572,882.10
  6. Step 6: Final answer
    x = 669,001.47

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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.