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Finding the Fourth Proportional to 489,167.93, 675,058.73 and 295,548.77

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Solution

The fourth proportional to 489,167.93, 675,058.73 and 295,548.77 is: 407,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,167.93 : 675,058.73 = 295,548.77 : x
  2. Step 2: Convert to fraction form
    489,167.93/675,058.73 = 295,548.77/x
  3. Step 3: Cross multiply
    489,167.93x = 675,058.73 × 295,548.77
  4. Step 4: Simplify right side
    489,167.93x = 199,512,777,539.17
  5. Step 5: Solve for x
    x = 199,512,777,539.17/489,167.93
  6. Step 6: Final answer
    x = 407,861.52

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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.