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Finding the Fourth Proportional to 545,862.76, 818,918.76 and 166,837.44

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Solution

The fourth proportional to 545,862.76, 818,918.76 and 166,837.44 is: 250,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,862.76 : 818,918.76 = 166,837.44 : x
  2. Step 2: Convert to fraction form
    545,862.76/818,918.76 = 166,837.44/x
  3. Step 3: Cross multiply
    545,862.76x = 818,918.76 × 166,837.44
  4. Step 4: Simplify right side
    545,862.76x = 136,626,309,486.37
  5. Step 5: Solve for x
    x = 136,626,309,486.37/545,862.76
  6. Step 6: Final answer
    x = 250,294.25

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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.