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Finding the Fourth Proportional to 605,743.52, 908,544.93 and 156,429.06

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Solution

The fourth proportional to 605,743.52, 908,544.93 and 156,429.06 is: 234,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,743.52 : 908,544.93 = 156,429.06 : x
  2. Step 2: Convert to fraction form
    605,743.52/908,544.93 = 156,429.06/x
  3. Step 3: Cross multiply
    605,743.52x = 908,544.93 × 156,429.06
  4. Step 4: Simplify right side
    605,743.52x = 142,122,829,367.67
  5. Step 5: Solve for x
    x = 142,122,829,367.67/605,743.52
  6. Step 6: Final answer
    x = 234,625.42

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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.