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Finding the Fourth Proportional to 503,659.20, 755,544.15 and 166,577.07

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Solution

The fourth proportional to 503,659.20, 755,544.15 and 166,577.07 is: 249,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,659.20 : 755,544.15 = 166,577.07 : x
  2. Step 2: Convert to fraction form
    503,659.20/755,544.15 = 166,577.07/x
  3. Step 3: Cross multiply
    503,659.20x = 755,544.15 × 166,577.07
  4. Step 4: Simplify right side
    503,659.20x = 125,856,330,762.64
  5. Step 5: Solve for x
    x = 125,856,330,762.64/503,659.20
  6. Step 6: Final answer
    x = 249,883.91

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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.