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Finding the Fourth Proportional to 319,178.92, 440,489.46 and 183,235

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Solution

The fourth proportional to 319,178.92, 440,489.46 and 183,235 is: 252,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,178.92 : 440,489.46 = 183,235 : x
  2. Step 2: Convert to fraction form
    319,178.92/440,489.46 = 183,235/x
  3. Step 3: Cross multiply
    319,178.92x = 440,489.46 × 183,235
  4. Step 4: Simplify right side
    319,178.92x = 80,713,086,203.10
  5. Step 5: Solve for x
    x = 80,713,086,203.10/319,178.92
  6. Step 6: Final answer
    x = 252,877.25

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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.