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Finding the Fourth Proportional to 316,305.59, 436,501.44 and 173,066.22

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Solution

The fourth proportional to 316,305.59, 436,501.44 and 173,066.22 is: 238,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,305.59 : 436,501.44 = 173,066.22 : x
  2. Step 2: Convert to fraction form
    316,305.59/436,501.44 = 173,066.22/x
  3. Step 3: Cross multiply
    316,305.59x = 436,501.44 × 173,066.22
  4. Step 4: Simplify right side
    316,305.59x = 75,543,654,245.36
  5. Step 5: Solve for x
    x = 75,543,654,245.36/316,305.59
  6. Step 6: Final answer
    x = 238,831.24

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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.