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Finding the Fourth Proportional to 504,335.37, 756,615.38 and 220,071.81

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Solution

The fourth proportional to 504,335.37, 756,615.38 and 220,071.81 is: 330,156.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,335.37 : 756,615.38 = 220,071.81 : x
  2. Step 2: Convert to fraction form
    504,335.37/756,615.38 = 220,071.81/x
  3. Step 3: Cross multiply
    504,335.37x = 756,615.38 × 220,071.81
  4. Step 4: Simplify right side
    504,335.37x = 166,509,715,050.08
  5. Step 5: Solve for x
    x = 166,509,715,050.08/504,335.37
  6. Step 6: Final answer
    x = 330,156.73

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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.