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Finding the Fourth Proportional to 322,444.32, 445,009.14 and 195,117.12

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Solution

The fourth proportional to 322,444.32, 445,009.14 and 195,117.12 is: 269,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,444.32 : 445,009.14 = 195,117.12 : x
  2. Step 2: Convert to fraction form
    322,444.32/445,009.14 = 195,117.12/x
  3. Step 3: Cross multiply
    322,444.32x = 445,009.14 × 195,117.12
  4. Step 4: Simplify right side
    322,444.32x = 86,828,901,770.48
  5. Step 5: Solve for x
    x = 86,828,901,770.48/322,444.32
  6. Step 6: Final answer
    x = 269,283.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.