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Finding the Fourth Proportional to 560,578.89, 840,916.94 and 161,252.13

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Solution

The fourth proportional to 560,578.89, 840,916.94 and 161,252.13 is: 241,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,578.89 : 840,916.94 = 161,252.13 : x
  2. Step 2: Convert to fraction form
    560,578.89/840,916.94 = 161,252.13/x
  3. Step 3: Cross multiply
    560,578.89x = 840,916.94 × 161,252.13
  4. Step 4: Simplify right side
    560,578.89x = 135,599,646,921.82
  5. Step 5: Solve for x
    x = 135,599,646,921.82/560,578.89
  6. Step 6: Final answer
    x = 241,892.17

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Why These Related Problems?

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