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Finding the Fourth Proportional to 373,313.80, 559,970.70 and 336,572.20

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Solution

The fourth proportional to 373,313.80, 559,970.70 and 336,572.20 is: 504,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,313.80 : 559,970.70 = 336,572.20 : x
  2. Step 2: Convert to fraction form
    373,313.80/559,970.70 = 336,572.20/x
  3. Step 3: Cross multiply
    373,313.80x = 559,970.70 × 336,572.20
  4. Step 4: Simplify right side
    373,313.80x = 188,470,570,434.54
  5. Step 5: Solve for x
    x = 188,470,570,434.54/373,313.80
  6. Step 6: Final answer
    x = 504,858.30

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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.