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Finding the Fourth Proportional to 610,252.48, 915,440.24 and 161,004.40

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Solution

The fourth proportional to 610,252.48, 915,440.24 and 161,004.40 is: 241,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,252.48 : 915,440.24 = 161,004.40 : x
  2. Step 2: Convert to fraction form
    610,252.48/915,440.24 = 161,004.40/x
  3. Step 3: Cross multiply
    610,252.48x = 915,440.24 × 161,004.40
  4. Step 4: Simplify right side
    610,252.48x = 147,389,906,577.06
  5. Step 5: Solve for x
    x = 147,389,906,577.06/610,252.48
  6. Step 6: Final answer
    x = 241,522.83

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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.