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Finding the Fourth Proportional to 432,265.60, 648,511.80 and 166,034.80

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Solution

The fourth proportional to 432,265.60, 648,511.80 and 166,034.80 is: 249,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,265.60 : 648,511.80 = 166,034.80 : x
  2. Step 2: Convert to fraction form
    432,265.60/648,511.80 = 166,034.80/x
  3. Step 3: Cross multiply
    432,265.60x = 648,511.80 × 166,034.80
  4. Step 4: Simplify right side
    432,265.60x = 107,675,527,010.64
  5. Step 5: Solve for x
    x = 107,675,527,010.64/432,265.60
  6. Step 6: Final answer
    x = 249,095.76

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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.