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Finding the Fourth Proportional to 431,656.56, 595,703.16 and 240,703.92

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Solution

The fourth proportional to 431,656.56, 595,703.16 and 240,703.92 is: 332,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,656.56 : 595,703.16 = 240,703.92 : x
  2. Step 2: Convert to fraction form
    431,656.56/595,703.16 = 240,703.92/x
  3. Step 3: Cross multiply
    431,656.56x = 595,703.16 × 240,703.92
  4. Step 4: Simplify right side
    431,656.56x = 143,388,085,768.39
  5. Step 5: Solve for x
    x = 143,388,085,768.39/431,656.56
  6. Step 6: Final answer
    x = 332,180.95

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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.