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Finding the Fourth Proportional to 550,661.08, 825,816.60 and 374,301.40

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Solution

The fourth proportional to 550,661.08, 825,816.60 and 374,301.40 is: 561,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,661.08 : 825,816.60 = 374,301.40 : x
  2. Step 2: Convert to fraction form
    550,661.08/825,816.60 = 374,301.40/x
  3. Step 3: Cross multiply
    550,661.08x = 825,816.60 × 374,301.40
  4. Step 4: Simplify right side
    550,661.08x = 309,104,309,523.24
  5. Step 5: Solve for x
    x = 309,104,309,523.24/550,661.08
  6. Step 6: Final answer
    x = 561,333.13

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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.