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Finding the Fourth Proportional to 336,567.40, 504,703.38 and 126,057.70

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Solution

The fourth proportional to 336,567.40, 504,703.38 and 126,057.70 is: 189,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,567.40 : 504,703.38 = 126,057.70 : x
  2. Step 2: Convert to fraction form
    336,567.40/504,703.38 = 126,057.70/x
  3. Step 3: Cross multiply
    336,567.40x = 504,703.38 × 126,057.70
  4. Step 4: Simplify right side
    336,567.40x = 63,621,747,265.03
  5. Step 5: Solve for x
    x = 63,621,747,265.03/336,567.40
  6. Step 6: Final answer
    x = 189,031.22

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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.