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Finding the Fourth Proportional to 572,174.80, 858,480.90 and 563,208.10

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Solution

The fourth proportional to 572,174.80, 858,480.90 and 563,208.10 is: 845,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,174.80 : 858,480.90 = 563,208.10 : x
  2. Step 2: Convert to fraction form
    572,174.80/858,480.90 = 563,208.10/x
  3. Step 3: Cross multiply
    572,174.80x = 858,480.90 × 563,208.10
  4. Step 4: Simplify right side
    572,174.80x = 483,503,396,575.29
  5. Step 5: Solve for x
    x = 483,503,396,575.29/572,174.80
  6. Step 6: Final answer
    x = 845,027.42

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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.