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Finding the Fourth Proportional to 488,409.19, 732,023.25 and 251,622.70

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Solution

The fourth proportional to 488,409.19, 732,023.25 and 251,622.70 is: 377,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,409.19 : 732,023.25 = 251,622.70 : x
  2. Step 2: Convert to fraction form
    488,409.19/732,023.25 = 251,622.70/x
  3. Step 3: Cross multiply
    488,409.19x = 732,023.25 × 251,622.70
  4. Step 4: Simplify right side
    488,409.19x = 184,193,666,627.78
  5. Step 5: Solve for x
    x = 184,193,666,627.78/488,409.19
  6. Step 6: Final answer
    x = 377,129.81

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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.