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Finding the Fourth Proportional to 337,428.72, 465,633.36 and 186,516

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Solution

The fourth proportional to 337,428.72, 465,633.36 and 186,516 is: 257,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,428.72 : 465,633.36 = 186,516 : x
  2. Step 2: Convert to fraction form
    337,428.72/465,633.36 = 186,516/x
  3. Step 3: Cross multiply
    337,428.72x = 465,633.36 × 186,516
  4. Step 4: Simplify right side
    337,428.72x = 86,848,071,773.76
  5. Step 5: Solve for x
    x = 86,848,071,773.76/337,428.72
  6. Step 6: Final answer
    x = 257,381.98

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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.