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Finding the Fourth Proportional to 476,079.31, 714,241.97 and 176,645.29

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Solution

The fourth proportional to 476,079.31, 714,241.97 and 176,645.29 is: 265,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,079.31 : 714,241.97 = 176,645.29 : x
  2. Step 2: Convert to fraction form
    476,079.31/714,241.97 = 176,645.29/x
  3. Step 3: Cross multiply
    476,079.31x = 714,241.97 × 176,645.29
  4. Step 4: Simplify right side
    476,079.31x = 126,167,478,576.83
  5. Step 5: Solve for x
    x = 126,167,478,576.83/476,079.31
  6. Step 6: Final answer
    x = 265,013.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.