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Finding the Fourth Proportional to 583,692.89, 805,496.16 and 329,044.07

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Solution

The fourth proportional to 583,692.89, 805,496.16 and 329,044.07 is: 454,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,692.89 : 805,496.16 = 329,044.07 : x
  2. Step 2: Convert to fraction form
    583,692.89/805,496.16 = 329,044.07/x
  3. Step 3: Cross multiply
    583,692.89x = 805,496.16 × 329,044.07
  4. Step 4: Simplify right side
    583,692.89x = 265,043,738,103.43
  5. Step 5: Solve for x
    x = 265,043,738,103.43/583,692.89
  6. Step 6: Final answer
    x = 454,080.81

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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.