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Finding the Fourth Proportional to 503,555.91, 755,448.05 and 166,596.01

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Solution

The fourth proportional to 503,555.91, 755,448.05 and 166,596.01 is: 249,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,555.91 : 755,448.05 = 166,596.01 : x
  2. Step 2: Convert to fraction form
    503,555.91/755,448.05 = 166,596.01/x
  3. Step 3: Cross multiply
    503,555.91x = 755,448.05 × 166,596.01
  4. Step 4: Simplify right side
    503,555.91x = 125,854,629,420.15
  5. Step 5: Solve for x
    x = 125,854,629,420.15/503,555.91
  6. Step 6: Final answer
    x = 249,931.79

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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.