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Finding the Fourth Proportional to 352,992.92, 487,130.24 and 191,848.36

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Solution

The fourth proportional to 352,992.92, 487,130.24 and 191,848.36 is: 264,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,992.92 : 487,130.24 = 191,848.36 : x
  2. Step 2: Convert to fraction form
    352,992.92/487,130.24 = 191,848.36/x
  3. Step 3: Cross multiply
    352,992.92x = 487,130.24 × 191,848.36
  4. Step 4: Simplify right side
    352,992.92x = 93,455,137,650.41
  5. Step 5: Solve for x
    x = 93,455,137,650.41/352,992.92
  6. Step 6: Final answer
    x = 264,750.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.