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Finding the Fourth Proportional to 571,405.80, 801,627 and 571,405.80

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Solution

The fourth proportional to 571,405.80, 801,627 and 571,405.80 is: 801,627

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,405.80 : 801,627 = 571,405.80 : x
  2. Step 2: Convert to fraction form
    571,405.80/801,627 = 571,405.80/x
  3. Step 3: Cross multiply
    571,405.80x = 801,627 × 571,405.80
  4. Step 4: Simplify right side
    571,405.80x = 458,054,317,236.60
  5. Step 5: Solve for x
    x = 458,054,317,236.60/571,405.80
  6. Step 6: Final answer
    x = 801,627

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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.