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Finding the Fourth Proportional to 488,584.40, 732,293.40 and 251,805.20

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Solution

The fourth proportional to 488,584.40, 732,293.40 and 251,805.20 is: 377,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,584.40 : 732,293.40 = 251,805.20 : x
  2. Step 2: Convert to fraction form
    488,584.40/732,293.40 = 251,805.20/x
  3. Step 3: Cross multiply
    488,584.40x = 732,293.40 × 251,805.20
  4. Step 4: Simplify right side
    488,584.40x = 184,395,286,045.68
  5. Step 5: Solve for x
    x = 184,395,286,045.68/488,584.40
  6. Step 6: Final answer
    x = 377,407.23

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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.