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Finding the Fourth Proportional to 572,564.70, 858,847.05 and 572,564.70

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Solution

The fourth proportional to 572,564.70, 858,847.05 and 572,564.70 is: 858,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,564.70 : 858,847.05 = 572,564.70 : x
  2. Step 2: Convert to fraction form
    572,564.70/858,847.05 = 572,564.70/x
  3. Step 3: Cross multiply
    572,564.70x = 858,847.05 × 572,564.70
  4. Step 4: Simplify right side
    572,564.70x = 491,745,503,529.14
  5. Step 5: Solve for x
    x = 491,745,503,529.14/572,564.70
  6. Step 6: Final answer
    x = 858,847.05

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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.