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Finding the Fourth Proportional to 576,133.48, 795,064.26 and 318,010.51

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Solution

The fourth proportional to 576,133.48, 795,064.26 and 318,010.51 is: 438,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,133.48 : 795,064.26 = 318,010.51 : x
  2. Step 2: Convert to fraction form
    576,133.48/795,064.26 = 318,010.51/x
  3. Step 3: Cross multiply
    576,133.48x = 795,064.26 × 318,010.51
  4. Step 4: Simplify right side
    576,133.48x = 252,838,790,805.37
  5. Step 5: Solve for x
    x = 252,838,790,805.37/576,133.48
  6. Step 6: Final answer
    x = 438,854.54

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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.