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Finding the Fourth Proportional to 319,194.96, 440,365.68 and 183,179.76

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Solution

The fourth proportional to 319,194.96, 440,365.68 and 183,179.76 is: 252,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,194.96 : 440,365.68 = 183,179.76 : x
  2. Step 2: Convert to fraction form
    319,194.96/440,365.68 = 183,179.76/x
  3. Step 3: Cross multiply
    319,194.96x = 440,365.68 × 183,179.76
  4. Step 4: Simplify right side
    319,194.96x = 80,666,079,574.64
  5. Step 5: Solve for x
    x = 80,666,079,574.64/319,194.96
  6. Step 6: Final answer
    x = 252,717.27

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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.