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Finding the Fourth Proportional to 470,373.55, 649,038.56 and 276,944.27

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Solution

The fourth proportional to 470,373.55, 649,038.56 and 276,944.27 is: 382,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,373.55 : 649,038.56 = 276,944.27 : x
  2. Step 2: Convert to fraction form
    470,373.55/649,038.56 = 276,944.27/x
  3. Step 3: Cross multiply
    470,373.55x = 649,038.56 × 276,944.27
  4. Step 4: Simplify right side
    470,373.55x = 179,747,505,571.14
  5. Step 5: Solve for x
    x = 179,747,505,571.14/470,373.55
  6. Step 6: Final answer
    x = 382,137.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.