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Finding the Fourth Proportional to 418,360.48, 626,851 and 241,016.64

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Solution

The fourth proportional to 418,360.48, 626,851 and 241,016.64 is: 361,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,360.48 : 626,851 = 241,016.64 : x
  2. Step 2: Convert to fraction form
    418,360.48/626,851 = 241,016.64/x
  3. Step 3: Cross multiply
    418,360.48x = 626,851 × 241,016.64
  4. Step 4: Simplify right side
    418,360.48x = 151,081,521,800.64
  5. Step 5: Solve for x
    x = 151,081,521,800.64/418,360.48
  6. Step 6: Final answer
    x = 361,127.61

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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.