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Finding the Fourth Proportional to 488,117.80, 732,541.20 and 251,338.60

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Solution

The fourth proportional to 488,117.80, 732,541.20 and 251,338.60 is: 377,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,117.80 : 732,541.20 = 251,338.60 : x
  2. Step 2: Convert to fraction form
    488,117.80/732,541.20 = 251,338.60/x
  3. Step 3: Cross multiply
    488,117.80x = 732,541.20 × 251,338.60
  4. Step 4: Simplify right side
    488,117.80x = 184,115,879,650.32
  5. Step 5: Solve for x
    x = 184,115,879,650.32/488,117.80
  6. Step 6: Final answer
    x = 377,195.59

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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.