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Finding the Fourth Proportional to 474,295.88, 654,546.48 and 270,378.92

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Solution

The fourth proportional to 474,295.88, 654,546.48 and 270,378.92 is: 373,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,295.88 : 654,546.48 = 270,378.92 : x
  2. Step 2: Convert to fraction form
    474,295.88/654,546.48 = 270,378.92/x
  3. Step 3: Cross multiply
    474,295.88x = 654,546.48 × 270,378.92
  4. Step 4: Simplify right side
    474,295.88x = 176,975,570,352.20
  5. Step 5: Solve for x
    x = 176,975,570,352.20/474,295.88
  6. Step 6: Final answer
    x = 373,133.27

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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.