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Finding the Fourth Proportional to 397,259.37, 595,925.78 and 112,955.85

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Solution

The fourth proportional to 397,259.37, 595,925.78 and 112,955.85 is: 169,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,259.37 : 595,925.78 = 112,955.85 : x
  2. Step 2: Convert to fraction form
    397,259.37/595,925.78 = 112,955.85/x
  3. Step 3: Cross multiply
    397,259.37x = 595,925.78 × 112,955.85
  4. Step 4: Simplify right side
    397,259.37x = 67,313,302,452.03
  5. Step 5: Solve for x
    x = 67,313,302,452.03/397,259.37
  6. Step 6: Final answer
    x = 169,444.22

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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.