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Finding the Fourth Proportional to 558,680.51, 770,996.60 and 316,973.27

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Solution

The fourth proportional to 558,680.51, 770,996.60 and 316,973.27 is: 437,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,680.51 : 770,996.60 = 316,973.27 : x
  2. Step 2: Convert to fraction form
    558,680.51/770,996.60 = 316,973.27/x
  3. Step 3: Cross multiply
    558,680.51x = 770,996.60 × 316,973.27
  4. Step 4: Simplify right side
    558,680.51x = 244,385,308,021.03
  5. Step 5: Solve for x
    x = 244,385,308,021.03/558,680.51
  6. Step 6: Final answer
    x = 437,433.03

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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.