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Finding the Fourth Proportional to 551,953.56, 827,146.26 and 425,114.04

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Solution

The fourth proportional to 551,953.56, 827,146.26 and 425,114.04 is: 637,067.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,953.56 : 827,146.26 = 425,114.04 : x
  2. Step 2: Convert to fraction form
    551,953.56/827,146.26 = 425,114.04/x
  3. Step 3: Cross multiply
    551,953.56x = 827,146.26 × 425,114.04
  4. Step 4: Simplify right side
    551,953.56x = 351,631,488,259.49
  5. Step 5: Solve for x
    x = 351,631,488,259.49/551,953.56
  6. Step 6: Final answer
    x = 637,067.16

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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.