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Finding the Fourth Proportional to 316,242.30, 436,544.22 and 214,407.24

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Solution

The fourth proportional to 316,242.30, 436,544.22 and 214,407.24 is: 295,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,242.30 : 436,544.22 = 214,407.24 : x
  2. Step 2: Convert to fraction form
    316,242.30/436,544.22 = 214,407.24/x
  3. Step 3: Cross multiply
    316,242.30x = 436,544.22 × 214,407.24
  4. Step 4: Simplify right side
    316,242.30x = 93,598,241,348.15
  5. Step 5: Solve for x
    x = 93,598,241,348.15/316,242.30
  6. Step 6: Final answer
    x = 295,970.02

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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.