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Finding the Fourth Proportional to 457,794.16, 631,763.54 and 253,853.67

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Solution

The fourth proportional to 457,794.16, 631,763.54 and 253,853.67 is: 350,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,794.16 : 631,763.54 = 253,853.67 : x
  2. Step 2: Convert to fraction form
    457,794.16/631,763.54 = 253,853.67/x
  3. Step 3: Cross multiply
    457,794.16x = 631,763.54 × 253,853.67
  4. Step 4: Simplify right side
    457,794.16x = 160,375,493,201.19
  5. Step 5: Solve for x
    x = 160,375,493,201.19/457,794.16
  6. Step 6: Final answer
    x = 350,322.28

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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.