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Finding the Fourth Proportional to 572,562.90, 800,538.30 and 572,562.90

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Solution

The fourth proportional to 572,562.90, 800,538.30 and 572,562.90 is: 800,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,562.90 : 800,538.30 = 572,562.90 : x
  2. Step 2: Convert to fraction form
    572,562.90/800,538.30 = 572,562.90/x
  3. Step 3: Cross multiply
    572,562.90x = 800,538.30 × 572,562.90
  4. Step 4: Simplify right side
    572,562.90x = 458,358,530,609.07
  5. Step 5: Solve for x
    x = 458,358,530,609.07/572,562.90
  6. Step 6: Final answer
    x = 800,538.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.