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Finding the Fourth Proportional to 411,427.01, 617,140.53 and 174,603.62

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Solution

The fourth proportional to 411,427.01, 617,140.53 and 174,603.62 is: 261,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,427.01 : 617,140.53 = 174,603.62 : x
  2. Step 2: Convert to fraction form
    411,427.01/617,140.53 = 174,603.62/x
  3. Step 3: Cross multiply
    411,427.01x = 617,140.53 × 174,603.62
  4. Step 4: Simplify right side
    411,427.01x = 107,754,967,501.02
  5. Step 5: Solve for x
    x = 107,754,967,501.02/411,427.01
  6. Step 6: Final answer
    x = 261,905.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.