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Finding the Fourth Proportional to 335,610.77, 503,416.15 and 276,321.89

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Solution

The fourth proportional to 335,610.77, 503,416.15 and 276,321.89 is: 414,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,610.77 : 503,416.15 = 276,321.89 : x
  2. Step 2: Convert to fraction form
    335,610.77/503,416.15 = 276,321.89/x
  3. Step 3: Cross multiply
    335,610.77x = 503,416.15 × 276,321.89
  4. Step 4: Simplify right side
    335,610.77x = 139,104,902,592.26
  5. Step 5: Solve for x
    x = 139,104,902,592.26/335,610.77
  6. Step 6: Final answer
    x = 414,482.84

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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.