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Finding the Fourth Proportional to 377,313.36, 565,775.28 and 111,039.30

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Solution

The fourth proportional to 377,313.36, 565,775.28 and 111,039.30 is: 166,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,313.36 : 565,775.28 = 111,039.30 : x
  2. Step 2: Convert to fraction form
    377,313.36/565,775.28 = 111,039.30/x
  3. Step 3: Cross multiply
    377,313.36x = 565,775.28 × 111,039.30
  4. Step 4: Simplify right side
    377,313.36x = 62,823,291,048.50
  5. Step 5: Solve for x
    x = 62,823,291,048.50/377,313.36
  6. Step 6: Final answer
    x = 166,501.63

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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.