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Finding the Fourth Proportional to 274,772,048.92, 411,820,404.63 and 127,019,749.08

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Solution

The fourth proportional to 274,772,048.92, 411,820,404.63 and 127,019,749.08 is: 190,373,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,772,048.92 : 411,820,404.63 = 127,019,749.08 : x
  2. Step 2: Convert to fraction form
    274,772,048.92/411,820,404.63 = 127,019,749.08/x
  3. Step 3: Cross multiply
    274,772,048.92x = 411,820,404.63 × 127,019,749.08
  4. Step 4: Simplify right side
    274,772,048.92x = 52,309,324,463,194,672
  5. Step 5: Solve for x
    x = 52,309,324,463,194,672/274,772,048.92
  6. Step 6: Final answer
    x = 190,373,528.42

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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.