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Finding the Fourth Proportional to 319,195.86, 440,493.36 and 175,961.07

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Solution

The fourth proportional to 319,195.86, 440,493.36 and 175,961.07 is: 242,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,195.86 : 440,493.36 = 175,961.07 : x
  2. Step 2: Convert to fraction form
    319,195.86/440,493.36 = 175,961.07/x
  3. Step 3: Cross multiply
    319,195.86x = 440,493.36 × 175,961.07
  4. Step 4: Simplify right side
    319,195.86x = 77,509,682,953.50
  5. Step 5: Solve for x
    x = 77,509,682,953.50/319,195.86
  6. Step 6: Final answer
    x = 242,827.97

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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.