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Finding the Fourth Proportional to 400,951.24, 601,354.18 and 161,055.48

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Solution

The fourth proportional to 400,951.24, 601,354.18 and 161,055.48 is: 241,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,951.24 : 601,354.18 = 161,055.48 : x
  2. Step 2: Convert to fraction form
    400,951.24/601,354.18 = 161,055.48/x
  3. Step 3: Cross multiply
    400,951.24x = 601,354.18 × 161,055.48
  4. Step 4: Simplify right side
    400,951.24x = 96,851,386,109.91
  5. Step 5: Solve for x
    x = 96,851,386,109.91/400,951.24
  6. Step 6: Final answer
    x = 241,554.03

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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.