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Finding the Fourth Proportional to 360,771.20, 497,830.34 and 244,247.64

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Solution

The fourth proportional to 360,771.20, 497,830.34 and 244,247.64 is: 337,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,771.20 : 497,830.34 = 244,247.64 : x
  2. Step 2: Convert to fraction form
    360,771.20/497,830.34 = 244,247.64/x
  3. Step 3: Cross multiply
    360,771.20x = 497,830.34 × 244,247.64
  4. Step 4: Simplify right side
    360,771.20x = 121,593,884,444.16
  5. Step 5: Solve for x
    x = 121,593,884,444.16/360,771.20
  6. Step 6: Final answer
    x = 337,038.78

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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.