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Finding the Fourth Proportional to 583,198.16, 804,813.53 and 328,549.37

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Solution

The fourth proportional to 583,198.16, 804,813.53 and 328,549.37 is: 453,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,198.16 : 804,813.53 = 328,549.37 : x
  2. Step 2: Convert to fraction form
    583,198.16/804,813.53 = 328,549.37/x
  3. Step 3: Cross multiply
    583,198.16x = 804,813.53 × 328,549.37
  4. Step 4: Simplify right side
    583,198.16x = 264,420,972,582.16
  5. Step 5: Solve for x
    x = 264,420,972,582.16/583,198.16
  6. Step 6: Final answer
    x = 453,398.16

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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.