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Finding the Fourth Proportional to 379,433.02, 569,224.27 and 113,187.64

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Solution

The fourth proportional to 379,433.02, 569,224.27 and 113,187.64 is: 169,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,433.02 : 569,224.27 = 113,187.64 : x
  2. Step 2: Convert to fraction form
    379,433.02/569,224.27 = 113,187.64/x
  3. Step 3: Cross multiply
    379,433.02x = 569,224.27 × 113,187.64
  4. Step 4: Simplify right side
    379,433.02x = 64,429,151,752.02
  5. Step 5: Solve for x
    x = 64,429,151,752.02/379,433.02
  6. Step 6: Final answer
    x = 169,803.76

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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.