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Finding the Fourth Proportional to 297,985.83, 446,992.71 and 98,323.66

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Solution

The fourth proportional to 297,985.83, 446,992.71 and 98,323.66 is: 147,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,985.83 : 446,992.71 = 98,323.66 : x
  2. Step 2: Convert to fraction form
    297,985.83/446,992.71 = 98,323.66/x
  3. Step 3: Cross multiply
    297,985.83x = 446,992.71 × 98,323.66
  4. Step 4: Simplify right side
    297,985.83x = 43,949,959,240.52
  5. Step 5: Solve for x
    x = 43,949,959,240.52/297,985.83
  6. Step 6: Final answer
    x = 147,490.10

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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.