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Finding the Fourth Proportional to 488,067.30, 732,210.30 and 188,521.20

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Solution

The fourth proportional to 488,067.30, 732,210.30 and 188,521.20 is: 282,824.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,067.30 : 732,210.30 = 188,521.20 : x
  2. Step 2: Convert to fraction form
    488,067.30/732,210.30 = 188,521.20/x
  3. Step 3: Cross multiply
    488,067.30x = 732,210.30 × 188,521.20
  4. Step 4: Simplify right side
    488,067.30x = 138,037,164,408.36
  5. Step 5: Solve for x
    x = 138,037,164,408.36/488,067.30
  6. Step 6: Final answer
    x = 282,824.04

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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.