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Finding the Fourth Proportional to 440,697.81, 661,094.11 and 188,005.00

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Solution

The fourth proportional to 440,697.81, 661,094.11 and 188,005.00 is: 282,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,697.81 : 661,094.11 = 188,005.00 : x
  2. Step 2: Convert to fraction form
    440,697.81/661,094.11 = 188,005.00/x
  3. Step 3: Cross multiply
    440,697.81x = 661,094.11 × 188,005.00
  4. Step 4: Simplify right side
    440,697.81x = 124,288,996,914.84
  5. Step 5: Solve for x
    x = 124,288,996,914.84/440,697.81
  6. Step 6: Final answer
    x = 282,027.71

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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.