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Finding the Fourth Proportional to 371,398.91, 556,884.68 and 198,076.82

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Solution

The fourth proportional to 371,398.91, 556,884.68 and 198,076.82 is: 297,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,398.91 : 556,884.68 = 198,076.82 : x
  2. Step 2: Convert to fraction form
    371,398.91/556,884.68 = 198,076.82/x
  3. Step 3: Cross multiply
    371,398.91x = 556,884.68 × 198,076.82
  4. Step 4: Simplify right side
    371,398.91x = 110,305,942,746.31
  5. Step 5: Solve for x
    x = 110,305,942,746.31/371,398.91
  6. Step 6: Final answer
    x = 297,001.26

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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.