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Finding the Fourth Proportional to 545,498.08, 818,371.08 and 166,452.72

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Solution

The fourth proportional to 545,498.08, 818,371.08 and 166,452.72 is: 249,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,498.08 : 818,371.08 = 166,452.72 : x
  2. Step 2: Convert to fraction form
    545,498.08/818,371.08 = 166,452.72/x
  3. Step 3: Cross multiply
    545,498.08x = 818,371.08 × 166,452.72
  4. Step 4: Simplify right side
    545,498.08x = 136,220,092,235.34
  5. Step 5: Solve for x
    x = 136,220,092,235.34/545,498.08
  6. Step 6: Final answer
    x = 249,716.91

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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.