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Finding the Fourth Proportional to 435,483.63, 652,971.21 and 168,932.70

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Solution

The fourth proportional to 435,483.63, 652,971.21 and 168,932.70 is: 253,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,483.63 : 652,971.21 = 168,932.70 : x
  2. Step 2: Convert to fraction form
    435,483.63/652,971.21 = 168,932.70/x
  3. Step 3: Cross multiply
    435,483.63x = 652,971.21 × 168,932.70
  4. Step 4: Simplify right side
    435,483.63x = 110,308,189,527.57
  5. Step 5: Solve for x
    x = 110,308,189,527.57/435,483.63
  6. Step 6: Final answer
    x = 253,300.43

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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.