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Finding the Fourth Proportional to 583,493.10, 804,911.94 and 401,892.72

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Solution

The fourth proportional to 583,493.10, 804,911.94 and 401,892.72 is: 554,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,493.10 : 804,911.94 = 401,892.72 : x
  2. Step 2: Convert to fraction form
    583,493.10/804,911.94 = 401,892.72/x
  3. Step 3: Cross multiply
    583,493.10x = 804,911.94 × 401,892.72
  4. Step 4: Simplify right side
    583,493.10x = 323,488,248,927.08
  5. Step 5: Solve for x
    x = 323,488,248,927.08/583,493.10
  6. Step 6: Final answer
    x = 554,399.44

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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.