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Finding the Fourth Proportional to 488,708.49, 732,832.70 and 189,329.25

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Solution

The fourth proportional to 488,708.49, 732,832.70 and 189,329.25 is: 283,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,708.49 : 732,832.70 = 189,329.25 : x
  2. Step 2: Convert to fraction form
    488,708.49/732,832.70 = 189,329.25/x
  3. Step 3: Cross multiply
    488,708.49x = 732,832.70 × 189,329.25
  4. Step 4: Simplify right side
    488,708.49x = 138,746,665,466.48
  5. Step 5: Solve for x
    x = 138,746,665,466.48/488,708.49
  6. Step 6: Final answer
    x = 283,904.76

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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.