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Finding the Fourth Proportional to 336,509.89, 504,655.61 and 111,809.98

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Solution

The fourth proportional to 336,509.89, 504,655.61 and 111,809.98 is: 167,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,509.89 : 504,655.61 = 111,809.98 : x
  2. Step 2: Convert to fraction form
    336,509.89/504,655.61 = 111,809.98/x
  3. Step 3: Cross multiply
    336,509.89x = 504,655.61 × 111,809.98
  4. Step 4: Simplify right side
    336,509.89x = 56,425,533,660.99
  5. Step 5: Solve for x
    x = 56,425,533,660.99/336,509.89
  6. Step 6: Final answer
    x = 167,678.68

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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.