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Finding the Fourth Proportional to 360,830.10, 497,933.25 and 199,691.94

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Solution

The fourth proportional to 360,830.10, 497,933.25 and 199,691.94 is: 275,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,830.10 : 497,933.25 = 199,691.94 : x
  2. Step 2: Convert to fraction form
    360,830.10/497,933.25 = 199,691.94/x
  3. Step 3: Cross multiply
    360,830.10x = 497,933.25 × 199,691.94
  4. Step 4: Simplify right side
    360,830.10x = 99,433,256,683.01
  5. Step 5: Solve for x
    x = 99,433,256,683.01/360,830.10
  6. Step 6: Final answer
    x = 275,568.08

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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.