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Finding the Fourth Proportional to 290,702.17, 401,191.44 and 174,419.99

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Solution

The fourth proportional to 290,702.17, 401,191.44 and 174,419.99 is: 240,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,702.17 : 401,191.44 = 174,419.99 : x
  2. Step 2: Convert to fraction form
    290,702.17/401,191.44 = 174,419.99/x
  3. Step 3: Cross multiply
    290,702.17x = 401,191.44 × 174,419.99
  4. Step 4: Simplify right side
    290,702.17x = 69,975,806,952.89
  5. Step 5: Solve for x
    x = 69,975,806,952.89/290,702.17
  6. Step 6: Final answer
    x = 240,713.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.