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Finding the Fourth Proportional to 488,749.80, 733,124.70 and 414,938.55

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Solution

The fourth proportional to 488,749.80, 733,124.70 and 414,938.55 is: 622,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,749.80 : 733,124.70 = 414,938.55 : x
  2. Step 2: Convert to fraction form
    488,749.80/733,124.70 = 414,938.55/x
  3. Step 3: Cross multiply
    488,749.80x = 733,124.70 × 414,938.55
  4. Step 4: Simplify right side
    488,749.80x = 304,201,699,987.19
  5. Step 5: Solve for x
    x = 304,201,699,987.19/488,749.80
  6. Step 6: Final answer
    x = 622,407.83

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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.