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Finding the Fourth Proportional to 309,290.40, 463,231.44 and 184,373.28

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Solution

The fourth proportional to 309,290.40, 463,231.44 and 184,373.28 is: 276,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,290.40 : 463,231.44 = 184,373.28 : x
  2. Step 2: Convert to fraction form
    309,290.40/463,231.44 = 184,373.28/x
  3. Step 3: Cross multiply
    309,290.40x = 463,231.44 × 184,373.28
  4. Step 4: Simplify right side
    309,290.40x = 85,407,499,991.92
  5. Step 5: Solve for x
    x = 85,407,499,991.92/309,290.40
  6. Step 6: Final answer
    x = 276,140.16

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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.