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Finding the Fourth Proportional to 583,781.95, 805,587.81 and 329,116.73

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Solution

The fourth proportional to 583,781.95, 805,587.81 and 329,116.73 is: 454,163.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,781.95 : 805,587.81 = 329,116.73 : x
  2. Step 2: Convert to fraction form
    583,781.95/805,587.81 = 329,116.73/x
  3. Step 3: Cross multiply
    583,781.95x = 805,587.81 × 329,116.73
  4. Step 4: Simplify right side
    583,781.95x = 265,132,425,755.06
  5. Step 5: Solve for x
    x = 265,132,425,755.06/583,781.95
  6. Step 6: Final answer
    x = 454,163.45

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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.