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Finding the Fourth Proportional to 408,059.90, 571,874.35 and 408,059.90

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Solution

The fourth proportional to 408,059.90, 571,874.35 and 408,059.90 is: 571,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,059.90 : 571,874.35 = 408,059.90 : x
  2. Step 2: Convert to fraction form
    408,059.90/571,874.35 = 408,059.90/x
  3. Step 3: Cross multiply
    408,059.90x = 571,874.35 × 408,059.90
  4. Step 4: Simplify right side
    408,059.90x = 233,358,990,073.57
  5. Step 5: Solve for x
    x = 233,358,990,073.57/408,059.90
  6. Step 6: Final answer
    x = 571,874.35

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